/* ==========================================================================
   THEME DECLARATIONS & DESIGN TOKENS
   ========================================================================== */

/* 1. Bubblegum Pop (Default Theme - Y2K Pop Neobrutalism) */
:root, .theme-bubblegum {
    --bg: #ffb7ce;
    --bg-dot: #ffffff;
    --bg-window: #ffffff;
    --bg-input: #f8f2f2;
    --bg-bubble-bot: #ffb7ce;
    --bg-bubble-user: #a3defe;
    --bg-grid: #f2ecec;
    --border: #000000;
    --border-width: 2px;
    --shadow-color: #000000;
    --shadow-sm: 2px 2px 0px var(--shadow-color);
    --shadow-md: 4px 4px 0px var(--shadow-color);
    --shadow-lg: 8px 8px 0px var(--shadow-color);
    --pink: #ffb7ce;
    --blue: #a3defe;
    --purple: #d8bfd8;
    --primary: #6b3649;
    --primary-hover: #ff85a7;
    --primary-text: #ffffff;
    --text: #000000;
    --text-sec: #333333;
    --text-muted: #666666;
    --font-head: 'Fredoka', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --r-xs: 2px;
    --r-sm: 4px;
    --r-md: 8px;
    --r-lg: 12px;
    --r-xl: 16px;
    --r-full: 9999px;
    --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --bg-type: radial-dot;
}

.dark-theme, .dark-theme.theme-bubblegum {
    --bg: #0d0714;
    --bg-dot: #221331;
    --bg-window: #150f1f;
    --bg-input: #1e162b;
    --bg-bubble-bot: #3d1a29;
    --bg-bubble-user: #1b3a57;
    --bg-grid: #261b35;
    --border: #000000;
    --border-width: 2px;
    --shadow-color: #000000;
    --shadow-sm: 2px 2px 0px var(--shadow-color);
    --shadow-md: 4px 4px 0px var(--shadow-color);
    --shadow-lg: 8px 8px 0px var(--shadow-color);
    --pink: #e54b7c;
    --blue: #4ba3e3;
    --purple: #9e68c9;
    --primary: #802b4d;
    --primary-hover: #e54b7c;
    --primary-text: #ffffff;
    --text: #f3eef9;
    --text-sec: #bbaed4;
    --text-muted: #7d6b99;
    --font-head: 'Fredoka', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --bg-type: radial-dot;
}

/* 2. Neo-Cyber (Synthwave / Cyberpunk) */
.theme-cyber {
    --bg: #f0f4f9;
    --bg-dot: #dce3ec;
    --bg-window: #ffffff;
    --bg-input: #e4eaf2;
    --bg-bubble-bot: #e4eaf2;
    --bg-bubble-user: #00f0ff;
    --bg-grid: #cbdbe9;
    --border: #000000;
    --border-width: 2px;
    --shadow-color: #ff007f;
    --shadow-sm: 2px 2px 0px var(--shadow-color);
    --shadow-md: 4px 4px 0px var(--shadow-color);
    --shadow-lg: 8px 8px 0px var(--shadow-color);
    --pink: #ff007f;
    --blue: #00f0ff;
    --purple: #9d4edd;
    --primary: #100f24;
    --primary-hover: #ff007f;
    --primary-text: #ffffff;
    --text: #0f172a;
    --text-sec: #334155;
    --text-muted: #64748b;
    --font-head: 'Orbitron', sans-serif;
    --font-body: 'Orbitron', sans-serif;
    --bg-type: cyber-grid;
}

.dark-theme.theme-cyber {
    --bg: #06050b;
    --bg-dot: #110e1a;
    --bg-window: #0e0b17;
    --bg-input: #1b162c;
    --bg-bubble-bot: #27142d;
    --bg-bubble-user: #0b2f3d;
    --bg-grid: #1c142b;
    --border: #00f0ff;
    --border-width: 2px;
    --shadow-color: #ff007f;
    --shadow-sm: 2px 2px 0px var(--shadow-color);
    --shadow-md: 4px 4px 0px var(--shadow-color);
    --shadow-lg: 8px 8px 0px var(--shadow-color);
    --pink: #ff007f;
    --blue: #00f0ff;
    --purple: #9d4edd;
    --primary: #00f0ff;
    --primary-hover: #ff007f;
    --primary-text: #06050b;
    --text: #ffffff;
    --text-sec: #cbd5e1;
    --text-muted: #64748b;
    --font-head: 'Orbitron', sans-serif;
    --font-body: 'Orbitron', sans-serif;
    --bg-type: cyber-grid;
}

/* 3. Dollhouse (Glam Pink Dreamhouse) */
.theme-dollhouse {
    --bg: #fff0f5;
    --bg-dot: #ffe4e1;
    --bg-window: #ffffff;
    --bg-input: #fff5f8;
    --bg-bubble-bot: #ffe4e1;
    --bg-bubble-user: #ffb7d5;
    --bg-grid: #ffe4e1;
    --border: #ff1493;
    --border-width: 2px;
    --shadow-color: #ffc0cb;
    --shadow-sm: 2px 2px 0px var(--shadow-color);
    --shadow-md: 4px 4px 0px var(--shadow-color);
    --shadow-lg: 8px 8px 0px var(--shadow-color);
    --pink: #ff1493;
    --blue: #33ccff;
    --purple: #cc66ff;
    --primary: #ff1493;
    --primary-hover: #ff66b2;
    --primary-text: #ffffff;
    --text: #4a0e1c;
    --text-sec: #8a3b50;
    --text-muted: #b57585;
    --font-head: 'Pacifico', cursive;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --bg-type: radial-dot;
}

.dark-theme.theme-dollhouse {
    --bg: #210035;
    --bg-dot: #3d0a5a;
    --bg-window: #2d0046;
    --bg-input: #3b005c;
    --bg-bubble-bot: #4d0075;
    --bg-bubble-user: #ff1493;
    --bg-grid: #3d0a5a;
    --border: #ffb7d5;
    --border-width: 2px;
    --shadow-color: #ff1493;
    --shadow-sm: 2px 2px 0px var(--shadow-color);
    --shadow-md: 4px 4px 0px var(--shadow-color);
    --shadow-lg: 8px 8px 0px var(--shadow-color);
    --pink: #ff1493;
    --blue: #33ccff;
    --purple: #cc66ff;
    --primary: #ffb7d5;
    --primary-hover: #ff1493;
    --primary-text: #210035;
    --text: #fff5f8;
    --text-sec: #ffb7d5;
    --text-muted: #ba8bb8;
    --font-head: 'Pacifico', cursive;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --bg-type: radial-dot;
}

/* 4. Mignon UI Classic (Sleek SaaS Slate) */
.theme-classic {
    --bg: #f1f5f9;
    --bg-dot: #cbd5e1;
    --bg-window: #ffffff;
    --bg-input: #f8fafc;
    --bg-bubble-bot: #f1f5f9;
    --bg-bubble-user: #dbeafe;
    --bg-grid: #e2e8f0;
    --border: #cbd5e1;
    --border-width: 1px;
    --shadow-color: rgba(15, 23, 42, 0.08);
    --shadow-sm: 0 1px 3px var(--shadow-color);
    --shadow-md: 0 4px 6px -1px var(--shadow-color), 0 2px 4px -1px var(--shadow-color);
    --shadow-lg: 0 10px 15px -3px var(--shadow-color), 0 4px 6px -2px var(--shadow-color);
    --pink: #f8fafc;
    --blue: #2563eb;
    --purple: #475569;
    --primary: #0f172a;
    --primary-hover: #2563eb;
    --primary-text: #ffffff;
    --text: #0f172a;
    --text-sec: #475569;
    --text-muted: #64748b;
    --font-head: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --bg-type: clean-gray;
}

.dark-theme.theme-classic {
    --bg: #090d16;
    --bg-dot: #1e293b;
    --bg-window: #0f172a;
    --bg-input: #1e293b;
    --bg-bubble-bot: #1e293b;
    --bg-bubble-user: #0f3d59;
    --bg-grid: #1e293b;
    --border: #1e293b;
    --border-width: 1px;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --shadow-sm: 0 1px 3px var(--shadow-color);
    --shadow-md: 0 4px 6px -1px var(--shadow-color), 0 2px 4px -1px var(--shadow-color);
    --shadow-lg: 0 10px 15px -3px var(--shadow-color), 0 4px 6px -2px var(--shadow-color);
    --pink: #1e293b;
    --blue: #2563eb;
    --purple: #0f172a;
    --primary: #38bdf8;
    --primary-hover: #2563eb;
    --primary-text: #090d16;
    --text: #f1f5f9;
    --text-sec: #94a3b8;
    --text-muted: #64748b;
    --font-head: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --bg-type: clean-gray;
}

/* 5. Dark Yellow (Gritty Concrete Gold/Steel) */
.theme-darkyellow {
    --bg: #c8c5be;
    --bg-dot: #b5b2ab;
    --bg-window: #d6d3cc;
    --bg-input: #c0bdb6;
    --bg-bubble-bot: #bab7b0;
    --bg-bubble-user: #f5c400;
    --bg-grid: #b5b2ab;
    --border: #1a1a1c;
    --border-width: 2px;
    --shadow-color: rgba(0, 0, 0, 0.15);
    --shadow-sm: 2px 2px 0px var(--border);
    --shadow-md: 4px 4px 0px var(--border);
    --shadow-lg: 6px 6px 0px var(--border);
    --pink: #f5c400;
    --blue: #c9a200;
    --purple: #a07800;
    --primary: #1a1a1c;
    --primary-hover: #f5c400;
    --primary-text: #f5c400;
    --text: #0a0a0b;
    --text-sec: #2e2e30;
    --text-muted: #6b6b70;
    --font-head: 'Bebas Neue', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --bg-type: radial-dot;
}

.dark-theme.theme-darkyellow {
    --bg: #080808;
    --bg-dot: #111113;
    --bg-window: #0f0f11;
    --bg-input: #1a1a1e;
    --bg-bubble-bot: #1e1e22;
    --bg-bubble-user: #3a2e00;
    --bg-grid: #141416;
    --border: #2a2a2e;
    --border-width: 2px;
    --shadow-color: rgba(0, 0, 0, 0.7);
    --shadow-sm: 2px 2px 0px #000;
    --shadow-md: 4px 4px 0px #000;
    --shadow-lg: 6px 6px 0px #000;
    --pink: #f5c400;
    --blue: #c9a200;
    --purple: #a07800;
    --primary: #f5c400;
    --primary-hover: #ffe566;
    --primary-text: #080808;
    --text: #e8e5dc;
    --text-sec: #9a9890;
    --text-muted: #5a5856;
    --font-head: 'Bebas Neue', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --bg-type: radial-dot;
}

/* 6. Sketch Book (Ruled notebook / Chalkboard) */
.theme-sketchbook {
    --bg: #fcfaf2;
    --bg-dot: #fcfaf2;
    --bg-window: #fffefc;
    --bg-input: #fcfaf2;
    --bg-bubble-bot: #f3eedf;
    --bg-bubble-user: #e2f0fd;
    --bg-grid: #b8c9d9;
    --border: #2f3e46;
    --border-width: 2px;
    --shadow-color: #2f3e46;
    --shadow-sm: none;
    --shadow-md: none;
    --shadow-lg: none;
    --pink: #db2777;
    --blue: #2563eb;
    --purple: #7c3aed;
    --primary: #2f3e46;
    --primary-hover: #4f6a77;
    --primary-text: #fffefc;
    --text: #1a2327;
    --text-sec: #475569;
    --text-muted: #64748b;
    --font-head: 'Architects Daughter', cursive;
    --font-body: 'Caveat', cursive;
    --bg-type: notebook-ruled;
}

.dark-theme.theme-sketchbook {
    --bg: #151518;
    --bg-dot: #151518;
    --bg-window: #1e1e22;
    --bg-input: #25252b;
    --bg-bubble-bot: #2c2c35;
    --bg-bubble-user: #1e293b;
    --bg-grid: #2d2d30;
    --border: #f4f4f5;
    --border-width: 2px;
    --shadow-color: #f4f4f5;
    --shadow-sm: none;
    --shadow-md: none;
    --shadow-lg: none;
    --pink: #ec4899;
    --blue: #3b82f6;
    --purple: #a78bfa;
    --primary: #f4f4f5;
    --primary-hover: #ffffff;
    --primary-text: #151518;
    --text: #f4f4f5;
    --text-sec: #a1a1aa;
    --text-muted: #71717a;
    --font-head: 'Architects Daughter', cursive;
    --font-body: 'Caveat', cursive;
    --bg-type: sketchbook-grid;
}

/* 7. Builder (Toy Blocks Theme) */
.theme-builder {
    --bg: #f5c400;
    --bg-dot: #e0b300;
    --bg-window: #ffffff;
    --bg-input: #f0f2f5;
    --bg-bubble-bot: #0055a5;
    --bg-bubble-user: #d31212;
    --bg-grid: #e2e8f0;
    --border: #1b1b1b;
    --border-width: 3px;
    --shadow-color: #1b1b1b;
    --shadow-sm: 3px 3px 0px var(--shadow-color);
    --shadow-md: 6px 6px 0px var(--shadow-color);
    --shadow-lg: 8px 8px 0px var(--shadow-color);
    --pink: #d31212;
    --blue: #0055a5;
    --purple: #e85c00;
    --primary: #d31212;
    --primary-hover: #ff2a2a;
    --primary-text: #ffffff;
    --text: #1b1b1b;
    --text-sec: #475569;
    --text-muted: #64748b;
    --font-head: 'Titan One', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --bg-type: builder-studs;
}

.dark-theme.theme-builder {
    --bg: #1b1b1b;
    --bg-dot: #2a2a2e;
    --bg-window: #26262b;
    --bg-input: #1d1d21;
    --bg-bubble-bot: #0055a5;
    --bg-bubble-user: #d31212;
    --bg-grid: #333338;
    --border: #ffffff;
    --border-width: 3px;
    --shadow-color: #ffffff;
    --shadow-sm: 3px 3px 0px #000;
    --shadow-md: 6px 6px 0px #000;
    --shadow-lg: 8px 8px 0px #000;
    --pink: #f5c400;
    --blue: #00852b;
    --purple: #e85c00;
    --primary: #f5c400;
    --primary-hover: #ffd93d;
    --primary-text: #1b1b1b;
    --text: #ffffff;
    --text-sec: #cbd5e1;
    --text-muted: #94a3b8;
    --font-head: 'Titan One', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --bg-type: builder-studs;
}


/* ==========================================================================
   BASE RESETS & BODY LAYOUT
   ========================================================================== */

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    transition: background-color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.25s cubic-bezier(0.16, 1, 0.3, 1),
                color 0.2s ease,
                box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

html, body {
    scrollbar-width: none;  /* Firefox */
    -ms-overflow-style: none;  /* IE and Edge */
}

html::-webkit-scrollbar,
body::-webkit-scrollbar {
    display: none;  /* Chrome, Safari, Opera */
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    min-height: 100vh;
}

.page-wrapper {
    background-color: var(--bg);
    color: var(--text);
    position: relative;
    min-height: 100vh;
    width: 100%;
    isolation: isolate;
}

/* Background Grids & Dots */
.page-wrapper::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -99;
    pointer-events: none;
}

/* Radial Dot Background */
.page-wrapper[data-bg-type="radial-dot"]::before {
    background-image: radial-gradient(var(--bg-dot) 1.5px, transparent 1.5px);
    background-size: 24px 24px;
}

/* Cyber Grid Background */
.page-wrapper[data-bg-type="cyber-grid"]::before {
    background-image: linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px),
                      linear-gradient(var(--bg-grid) 1px, transparent 1px);
    background-size: 32px 32px;
}

/* Clean Gray Background (no mesh pattern, solid/subtle) */
.page-wrapper[data-bg-type="clean-gray"]::before {
    background-image: radial-gradient(var(--bg-dot) 1px, transparent 1px);
    background-size: 20px 20px;
}

/* Notebook Ruled Background */
.page-wrapper[data-bg-type="notebook-ruled"]::before {
    background-image: linear-gradient(rgba(184, 201, 217, 0.5) 1px, transparent 1px);
    background-size: 100% 28px;
    border-left: 2px solid rgba(220, 38, 38, 0.25);
    margin-left: 60px;
    width: calc(100% - 60px);
}

/* Sketchbook Grid Background */
.page-wrapper[data-bg-type="sketchbook-grid"]::before {
    background-image: linear-gradient(var(--bg-grid) 1px, transparent 1px),
                      linear-gradient(90deg, var(--bg-grid) 1px, transparent 1px);
    background-size: 24px 24px;
}

/* Builder Studs Background */
.page-wrapper[data-bg-type="builder-studs"]::before {
    background-image: radial-gradient(var(--bg-dot) 4px, transparent 4px);
    background-size: 24px 24px;
}

/* Full-Page Sweep Transition Clone Overlay */
.transition-clone {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none;
    z-index: 99999;
    overflow: hidden;
    font-family: var(--font-body) !important;
    will-change: clip-path;
}

.transition-clone-inner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
    will-change: transform;
}



/* Disable transitions and interactions inside the clone so it doesn't flicker, animate, or intercept clicks */
.transition-clone,
.transition-clone * {
    pointer-events: none !important;
    transition: none !important;
    animation: none !important;
}

/* Enable pointer events on all interactive elements inside the clone to allow hover states and pointer cursors */
.transition-clone a,
.transition-clone button,
.transition-clone input,
.transition-clone label,
.transition-clone select,
.transition-clone textarea,
.transition-clone [role="button"],
.transition-clone .theme-btn,
.transition-clone .control-btn,
.transition-clone .comparison-handle,
.transition-clone .comparison-slider {
    pointer-events: auto !important;
}

h1, h2, h3, h4, .font-display {
    font-family: var(--font-head);
    font-weight: 700;
    line-height: 1.1;
    color: var(--text);
}


/* ==========================================================================
   NAVIGATION
   ========================================================================== */

.nav-wrapper {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 1200px;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.nav-logo img {
    height: 36px;
    width: auto;
}

.nav-title {
    font-size: 1.5rem;
    letter-spacing: -0.03em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--text-sec);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
}

.nav-link:hover {
    color: var(--text);
}

.nav-cta {
    background-color: var(--bg-window);
    color: var(--text);
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-sm);
    box-shadow: var(--shadow-sm);
    padding: 0.5rem 1rem;
    font-weight: 700;
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: transform 0.15s, box-shadow 0.15s;
}

.nav-cta svg {
    width: 16px;
    height: 16px;
    display: block;
    stroke: currentColor;
    fill: none;
}

.nav-cta:hover {
    transform: translate(-1px, -1px);
    box-shadow: var(--shadow-md);
}

.nav-cta:active {
    transform: translate(1px, 1px);
    box-shadow: var(--shadow-sm);
}


/* ==========================================================================
   HERO SECTION (Typography-Focused, Viewport Balanced)
   ========================================================================== */

.hero {
    min-height: 100vh;
    max-width: 1000px;
    margin: 0 auto;
    padding: 7rem 2rem 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
    box-sizing: border-box;
}

.hero-eyebrow {
    font-family: var(--font-head);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.dark-theme .hero-eyebrow {
    color: var(--pink);
}

.hero-headline {
    font-size: 4rem;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    max-width: 15ch;
    word-wrap: break-word;
}

.hero-subtext {
    font-size: 1.25rem;
    color: var(--text-sec);
    max-width: 55ch;
    margin-bottom: 2.5rem;
    line-height: 1.5;
}

/* Hero Download Badges / CTAs */
.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--primary-text);
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-md);
    padding: 0.85rem 2rem;
    font-family: var(--font-head);
    font-weight: 700;
    text-decoration: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translate(2px, 2px);
    box-shadow: var(--shadow-sm);
}

.btn-secondary {
    background-color: var(--bg-window);
    color: var(--text);
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-md);
    padding: 0.85rem 2rem;
    font-family: var(--font-head);
    font-weight: 700;
    text-decoration: none;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.btn-secondary:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary:active {
    transform: translate(2px, 2px);
    box-shadow: var(--shadow-sm);
}


/* ==========================================================================
   INTERACTIVE CONTROL BAR (Theme Switcher & Light/Dark Switch)
   ========================================================================== */

/* Sidebar Panel Layout & Retro Phone Chassis */
.theme-sidebar {
    background-color: var(--bg-window);
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    justify-content: space-between;
}

.phone-chassis {
    background-color: #1e1b26; /* Dark plastic phone body */
    border: 8px solid #0f0f18 !important; /* Thick outer frame */
    border-radius: 32px !important; /* Thick rounded corners */
    box-shadow: 0 16px 32px rgba(0,0,0,0.5), inset 0 2px 4px rgba(255,255,255,0.1);
    padding: 0 !important;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    gap: 0 !important;
}

.phone-top-bezel {
    height: 32px;
    background-color: #0f0f18;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-bottom: 1px solid #1c1926;
    flex-shrink: 0;
}

.phone-camera {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #27273a;
    position: absolute;
    left: 25%;
}

.phone-earpiece {
    width: 48px;
    height: 4px;
    background-color: #27273a;
    border-radius: 2px;
}

.phone-screen {
    flex-grow: 1;
    background-color: var(--bg-window);
    padding: 1.5rem 1.25rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    transition: background-color 0.15s;
}

.phone-bottom-bezel {
    height: 64px;
    background-color: #0f0f18;
    display: flex;
    align-items: center;
    justify-content: center;
    border-top: 1px solid #1c1926;
    flex-shrink: 0;
}

.sidebar-header {
    padding-bottom: 0;
    margin-bottom: 0;
}

.sidebar-title {
    font-family: var(--font-head);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
}

.theme-sidebar .theme-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: 100%;
    padding-bottom: 0.5rem;
}

.theme-sidebar .theme-btn {
    width: 100%;
    text-align: left;
    font-size: 0.95rem;
    padding: 0.6rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: var(--border-width) solid var(--border);
    border-bottom: calc(var(--border-width) + 2px) solid var(--border); /* Skeuomorphic key depth */
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    background: linear-gradient(to bottom, var(--bg-window) 0%, var(--bg-input) 100%);
    color: var(--text);
    transition: transform 0.1s, border-bottom-width 0.1s, box-shadow 0.1s;
    box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

.theme-sidebar .theme-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 3px 6px rgba(0,0,0,0.15);
}

.theme-sidebar .theme-btn:active {
    transform: translateY(2px);
    border-bottom-width: var(--border-width);
    box-shadow: none;
}

.theme-sidebar .theme-btn.active {
    background-color: var(--accent);
    background-image: none;
    color: #000000;
    transform: translateY(2px);
    border-bottom-width: var(--border-width);
    box-shadow: none;
}

/* Custom individual active styling per button */
.theme-sidebar .theme-btn[data-theme="cyber"].active { background-color: var(--blue); color: #000000; }
.theme-sidebar .theme-btn[data-theme="dollhouse"].active { background-color: var(--pink); color: #ffffff; }
.theme-sidebar .theme-btn[data-theme="classic"].active { background-color: var(--primary); color: var(--primary-text); }
.theme-sidebar .theme-btn[data-theme="darkyellow"].active { background-color: var(--pink); color: #000000; }
.theme-sidebar .theme-btn[data-theme="sketchbook"].active { background-color: var(--primary); color: var(--primary-text); }
.theme-sidebar .theme-btn[data-theme="builder"].active { background-color: var(--pink); color: #ffffff; }

.sidebar-controls {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    background-color: #0f0f18; /* Dark bezel cavity background */
    border: 2px solid #27273a; /* Dark sleek bezel border */
    border-radius: 9999px; /* Capsule shape */
    padding: 4px 6px;
    margin: 0;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.8);
    width: fit-content;
    transition: background-color 0.15s, border-color 0.15s;
}

.control-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: #94a3b8; /* Cool slate-400 for contrast in dark bezel */
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.15s, color 0.15s, transform 0.1s;
    user-select: none;
    padding: 0;
}

.control-btn:hover {
    background-color: #1c1926;
    color: #ffffff;
}

.control-btn:active {
    transform: scale(0.92);
}

.control-btn.paused {
    background-color: transparent;
}

.control-btn .icon {
    width: 18px;
    height: 18px;
    color: currentColor;
    display: block;
    stroke: currentColor;
    fill: none;
    transition: color 0.15s, stroke 0.15s;
}

.control-btn svg {
    pointer-events: none;
}

.control-divider {
    width: 1px;
    height: 18px;
    background-color: #27273a;
}

/* Play/Pause icon toggling */
#auto-cycle-toggle .icon-play {
    display: none;
}
#auto-cycle-toggle .icon-pause {
    display: block;
}
#auto-cycle-toggle.paused .icon-play {
    display: block;
}
#auto-cycle-toggle.paused .icon-pause {
    display: none;
}

/* Sun/Moon icon toggling */
.mode-icon .icon-sun {
    display: none;
}
.mode-icon .icon-moon {
    display: block;
}
.dark-theme .mode-icon .icon-sun {
    display: block;
}
.dark-theme .mode-icon .icon-moon {
    display: none;
}


/* ==========================================================================
   LIVE CHAT PREVIEW & SHOWCASE CONTAINER
   ========================================================================== */

.showcase-section {
    max-width: 1200px;
    margin: 0 auto 5rem;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 900px) {
    .showcase-section {
        grid-template-columns: 3fr 1fr;
        align-items: stretch;
    }
}

.preview-block {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

/* Simulated Chat Window Card */
.chat-window {
    background-color: var(--bg-chat, var(--bg-window));
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: 480px;
}

.chat-header {
    background-color: var(--pink);
    border-bottom: var(--border-width) solid var(--border);
    padding: 0.75rem 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #000000;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.chat-mascot-avatar {
    width: 32px;
    height: 32px;
    background-color: #ffffff;
    border: 1.5px solid #000000;
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3px;
}

.chat-bot-details {
    display: flex;
    flex-direction: column;
}

.chat-bot-name {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 0.95rem;
}

.chat-bot-status {
    font-size: 0.7rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: var(--status-online);
    border-radius: 50%;
    display: inline-block;
}

.chat-controls {
    display: flex;
    gap: 0.5rem;
}

.chat-ctrl-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid #000000;
    background-color: var(--blue);
}

.chat-ctrl-btn:nth-child(2) { background-color: var(--purple); }
.chat-ctrl-btn:nth-child(3) { background-color: var(--pink); }

/* Chat History Window */
.chat-history {
    flex-grow: 1;
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    position: relative;
}

/* Chat Dot Overlays on Chat Windows */
.chat-history::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

.theme-bubblegum .chat-history::before,
.dark-theme.theme-bubblegum .chat-history::before {
    background-image: radial-gradient(var(--bg-grid) 1.5px, transparent 1.5px);
    background-size: 20px 20px;
}

.theme-cyber .chat-history::before,
.dark-theme.theme-cyber .chat-history::before {
    background-image: linear-gradient(var(--bg-grid) 1px, transparent 1px);
    background-size: 100% 24px;
}

.theme-sketchbook .chat-history::before {
    background-image: linear-gradient(rgba(184, 201, 217, 0.4) 1px, transparent 1px);
    background-size: 100% 24px;
}

.dark-theme.theme-sketchbook .chat-history::before {
    background-image: linear-gradient(var(--bg-grid) 1px, transparent 1px);
    background-size: 100% 24px;
}

/* Chat Bubbles */
.chat-msg {
    display: flex;
    flex-direction: column;
    max-width: 75%;
    z-index: 1;
}

.chat-msg.bot {
    align-self: flex-start;
}

.chat-msg.user {
    align-self: flex-end;
}

.msg-sender {
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    color: var(--text-sec);
}

.msg-bubble {
    padding: 0.75rem 1rem;
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-md);
    box-shadow: var(--shadow-sm);
    font-size: 0.95rem;
}

.chat-msg.bot .msg-bubble {
    background-color: var(--bg-bubble-bot);
    color: var(--text-bubble-bot, var(--text));
    border-top-left-radius: 0;
}

.chat-msg.user .msg-bubble {
    background-color: var(--bg-bubble-user);
    color: var(--text-bubble-user, var(--text));
    border-top-right-radius: 0;
}

.typing-indicator {
    display: flex;
    gap: 4px;
    align-items: center;
    padding: 4px 8px;
}

.typing-dot {
    width: 6px;
    height: 6px;
    background-color: var(--text-sec);
    border-radius: 50%;
    animation: typing 1.4s infinite ease-in-out both;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

.chat-input-bar {
    border-top: var(--border-width) solid var(--border);
    padding: 0.75rem 1rem;
    display: flex;
    gap: 0.75rem;
    background-color: var(--bg-input);
}

.chat-text-input {
    flex-grow: 1;
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-sm);
    background-color: var(--bg-window);
    color: var(--text);
    padding: 0.5rem 0.75rem;
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
}

.chat-send-btn {
    background-color: var(--pink);
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-sm);
    color: #000000;
    font-family: var(--font-head);
    font-weight: 700;
    padding: 0 1rem;
    cursor: pointer;
    font-size: 0.9rem;
}

/* Screenshot Card Showcase */
.screenshot-showcase-wrapper {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 1.5rem;
}

.showcase-desc-card {
    background-color: var(--bg-window);
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
    padding: 2rem;
}

.showcase-desc-card h3 {
    font-size: 1.75rem;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.showcase-desc-card p {
    color: var(--text-sec);
    margin-bottom: 1.5rem;
}

.laptop-mockup {
    position: relative;
    width: 90%;
    margin: 0 auto;
}

.laptop-screen {
    background-color: #000000;
    border: 12px solid #1e1e1e; /* Laptop Bezel */
    border-top-width: 16px; /* Space for web camera */
    border-radius: 12px 12px 0 0;
    box-shadow: inset 0 0 4px rgba(255,255,255,0.15), 0 8px 30px rgba(0,0,0,0.35);
    overflow: hidden;
    aspect-ratio: 16/10;
    position: relative;
}

.laptop-camera {
    width: 6px;
    height: 6px;
    background-color: #050505;
    border: 1px solid #2a2a2a;
    border-radius: 50%;
    position: absolute;
    top: -11px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.laptop-base {
    position: relative;
    height: 12px;
    background: linear-gradient(to bottom, #d1d5db 0%, #9ca3af 50%, #4b5563 100%); /* Metallic look */
    border: 1px solid rgba(0, 0, 0, 0.25);
    border-top: none;
    border-radius: 0 0 16px 16px;
    margin-left: -5%;
    margin-right: -5%;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.laptop-base::after {
    content: "";
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: #374151; /* Opening tray notch */
    border-radius: 0 0 4px 4px;
}

.showcase-screenshot-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.2s ease-in-out;
}


/* ==========================================================================
   BENTO FEATURE GRID
   ========================================================================== */

.bento-section {
    max-width: 1200px;
    margin: 0 auto 5rem;
    padding: 0 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-title {
    font-size: 2.75rem;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.section-sub {
    font-size: 1.1rem;
    color: var(--text-sec);
    max-width: 60ch;
    margin: 0 auto;
}

.bento-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .bento-grid {
        grid-template-columns: repeat(6, 1fr);
    }
}

.bento-card {
    background-color: var(--bg-window);
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}


.bento-card-header {
    margin-bottom: 1.5rem;
}

.bento-icon {
    width: 48px;
    height: 48px;
    background-color: var(--bg-input);
    border: 2px solid var(--border);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    color: var(--primary);
}

.bento-icon svg {
    width: 24px;
    height: 24px;
    display: block;
}

.bento-card h3 {
    font-size: 1.35rem;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.bento-card p {
    color: var(--text-sec);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Asymmetric Bento Layouts */
.bento-large-1 {
    grid-column: span 1;
}

.bento-large-2 {
    grid-column: span 1;
}

@media (min-width: 768px) {
    .bento-large-1 {
        grid-column: span 3;
    }
    .bento-large-2 {
        grid-column: span 3;
    }
    .bento-wide {
        grid-column: span 4;
    }
    .bento-narrow {
        grid-column: span 2;
    }
}

/* Card Accent variations to break bento rhythm */
.bento-accent-blue {
    background-color: var(--blue);
    color: #000000;
}
.bento-accent-blue h3, .bento-accent-blue p {
    color: #000000 !important;
}

.bento-accent-pink {
    background-color: var(--pink);
    color: #000000;
}
.bento-accent-pink h3, .bento-accent-pink p {
    color: #000000 !important;
}


/* Mignon Classic theme adjustments for Bento accent cards to ensure high readability */
.theme-classic .bento-accent-pink {
    color: var(--text);
}
.theme-classic .bento-accent-pink h3,
.theme-classic .bento-accent-pink p {
    color: var(--text) !important;
}

.theme-classic .bento-accent-blue {
    color: #ffffff;
}
.theme-classic .bento-accent-blue h3,
.theme-classic .bento-accent-blue p {
    color: #ffffff !important;
}


/* ==========================================================================
   CONNECTION & ONBOARDING GUIDE
   ========================================================================== */

.guide-section {
    max-width: 1200px;
    margin: 0 auto 5rem;
    padding: 0 2rem;
}

.guide-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .guide-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.guide-card {
    background-color: var(--bg-window);
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
    padding: 2.25rem;
}

.guide-card h3 {
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.guide-card p {
    color: var(--text-sec);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.code-snippet-wrapper {
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 0.75rem 1rem;
    position: relative;
    font-family: monospace;
    font-size: 0.9rem;
    color: var(--text);
    overflow-x: auto;
}

.code-snippet-wrapper code {
    white-space: pre-wrap;
    word-break: break-all;
}

.code-badge {
    position: absolute;
    top: 6px;
    right: 8px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    background-color: var(--primary);
    color: var(--primary-text);
    padding: 2px 6px;
    border-radius: var(--r-xs);
}

/* ==========================================================================
   FAQ SECTION
   ========================================================================== */

.faq-section {
    max-width: 1200px;
    margin: 6rem auto 0;
    padding: 0 2rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .faq-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.faq-item {
    background-color: var(--bg-window);
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.75rem;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.faq-question {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text);
    font-family: var(--font-head);
}

.faq-answer {
    color: var(--text-sec);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

footer {
    background-color: var(--primary);
    color: var(--primary-text);
    border-top: var(--border-width) solid var(--border);
    padding: 4rem 2rem 2.5rem;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.footer-top {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-start;
    gap: 2.5rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 350px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: inherit;
}

.footer-logo img {
    height: 36px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer-brand-title {
    font-size: 1.5rem;
    font-family: var(--font-head);
    font-weight: 700;
}

.footer-desc {
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-links-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 4rem;
}

.footer-links-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-column-title {
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.7;
}

.footer-column-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-column-links a {
    color: inherit;
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-column-links a:hover {
    opacity: 1;
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 2rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    font-size: 0.85rem;
    opacity: 0.75;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a {
    color: inherit;
    text-decoration: none;
}

.footer-bottom-links a:hover {
    text-decoration: underline;
}

/* Simple transition effects for screenshots on click */
.comparison-img {
    transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}
.comparison-img.swapping {
    opacity: 0;
    transform: scale(0.98);
}

/* ==========================================================================
   DOWNLOAD SECTION
   ========================================================================== */

.download-section {
    max-width: 1200px;
    margin: 0 auto 5rem;
    padding: 0 2rem;
}

.download-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 900px) {
    .download-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.download-card {
    background-color: var(--bg-window);
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-md);
    padding: 2.25rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}


.download-card-header {
    margin-bottom: 1.5rem;
}

.download-icon {
    margin-bottom: 1rem;
    display: inline-block;
    width: 2.75rem;
    height: 2.75rem;
    color: var(--accent);
    transition: color 0.3s ease-in-out;
}

.download-icon svg {
    width: 100%;
    height: 100%;
    display: block;
    fill: currentColor;
}


.download-card h3 {
    font-size: 1.5rem;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
}

.download-card p {
    color: var(--text-sec);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.download-buttons {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.download-btn {
    background-color: var(--bg-input);
    color: var(--text);
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-sm);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem 1rem;
    font-weight: 700;
    text-decoration: none;
    text-align: center;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.download-btn:hover {
    background-color: var(--pink);
    color: #000000;
    transform: translate(-1px, -1px);
    box-shadow: var(--shadow-md);
}

.download-btn:active {
    transform: translate(1px, 1px);
    box-shadow: var(--shadow-sm);
}

.download-note {
    background-color: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-sec);
    line-height: 1.4;
}

.download-note strong {
    color: var(--text);
}

/* ==========================================================================
   DOWNLOAD PLATFORM SWITCHER TABS (ponytail: single-card-switcher)
   ========================================================================== */

.platform-switcher {
    display: none; /* Hidden on desktop by default */
    justify-content: center;
    align-items: center;
    gap: 0.35rem;
    background-color: var(--bg-input);
    border: var(--border-width) solid var(--border);
    border-radius: var(--r-full);
    padding: 6px;
    max-width: 360px;
    width: calc(100% - 2rem);
    margin: 0 auto 3rem;
    box-shadow: var(--shadow-sm);
    box-sizing: border-box;
}

.switcher-pill {
    flex: 1;
    background: transparent;
    border: none;
    border-radius: var(--r-full);
    padding: 0.55rem 0.75rem;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--text-sec);
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.switcher-pill:hover {
    color: var(--text);
}

.switcher-pill.active {
    background-color: var(--primary);
    color: var(--primary-text);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.15);
}

/* Theme variations for active switcher pill to align with theme colors */
.theme-bubblegum .switcher-pill.active { background-color: var(--primary); color: var(--primary-text); }
.theme-cyber .switcher-pill.active { background-color: var(--blue); color: #000000; }
.theme-dollhouse .switcher-pill.active { background-color: var(--pink); color: #ffffff; }
.theme-classic .switcher-pill.active { background-color: var(--primary); color: var(--primary-text); }
.theme-darkyellow .switcher-pill.active { background-color: var(--pink); color: #000000; }
.theme-sketchbook .switcher-pill.active { background-color: var(--primary); color: var(--primary-text); }
.theme-builder .switcher-pill.active { background-color: var(--pink); color: #ffffff; }

/* ==========================================================================
   RESPONSIVE DESIGN & MEDIA QUERIES (ponytail: responsive-layout-polishing)
   ========================================================================== */

/* 1. Large Screens & Tablets (Single column chassis restriction) */
@media (max-width: 899px) {
    .phone-chassis {
        max-width: 320px;
        margin: 0 auto;
        width: 100%;
    }
}

/* 2. Tablet & Mobile (<= 768px) */
@media (max-width: 768px) {
    .nav-wrapper {
        flex-direction: row;
        justify-content: space-between;
        padding: 1.25rem 1.5rem;
        align-items: center;
        width: 100%;
        box-sizing: border-box;
    }
    
    .nav-links {
        display: flex;
        justify-content: flex-end;
        align-items: center;
        gap: 0;
        width: auto;
    }

    .nav-wrapper .nav-links .nav-link {
        display: none; /* Hide top text links to prevent vertical navigation stacking */
    }

    .hero {
        min-height: 100vh;
        padding: 6rem 1.25rem 3rem; /* Less top padding since header is a slim single row */
    }

    .hero-headline {
        font-size: clamp(2.25rem, 7vw, 3.5rem);
        margin-bottom: 1rem;
    }

    .hero-subtext {
        font-size: clamp(1rem, 4vw, 1.15rem);
        margin-bottom: 2rem;
    }

    .hero-ctas {
        flex-direction: row;
        justify-content: center;
        gap: 1rem;
        width: 100%;
    }

    .hero-ctas .btn-primary,
    .hero-ctas .btn-secondary {
        width: auto;
        padding: 0.75rem 1.25rem;
        font-size: 0.95rem;
    }

    .theme-sidebar .theme-buttons {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 0.5rem;
        width: 100%;
    }

    .theme-sidebar .theme-btn {
        font-size: 0.8rem;
        padding: 0.5rem 0.75rem;
    }

    /* Padding reductions for container sections to prevent viewport squish */
    .showcase-section,
    .bento-section,
    .download-section,
    .guide-section {
        padding: 0 1.25rem;
        margin-bottom: 3.5rem;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .section-sub {
        font-size: 1rem;
    }

    /* Bento Grid: 2-column mobile layout to prevent long vertical stacking */
    .bento-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 1rem;
    }

    .bento-wide {
        grid-column: span 2;
    }

    .bento-narrow {
        grid-column: span 1;
    }

    .bento-card {
        padding: 1.25rem; /* slightly tighter padding to maximize content width */
    }

    /* Code snippet badge safety padding */
    .code-snippet-wrapper {
        padding-right: 5rem;
    }

    /* Footer responsiveness */
    footer {
        padding: 3rem 1.25rem 2rem;
    }

    .footer-top {
        flex-direction: column;
        gap: 2rem;
        align-items: stretch;
    }

    .footer-brand {
        max-width: 100%;
    }

    .footer-links-grid {
        display: flex;
        flex-direction: row;
        gap: 2rem;
        justify-content: space-between;
        width: 100%;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
        padding-top: 1.5rem;
    }

    /* Enforce tab switcher system only on mobile/tablet viewports */
    .platform-switcher {
        display: flex;
    }

    .download-grid {
        display: flex !important;
        justify-content: center;
        align-items: stretch;
        width: 100%;
        max-width: 1200px;
        margin: 0 auto;
    }

    .download-card {
        display: none !important;
        max-width: 480px;
        width: 100% !important;
        flex-grow: 1;
    }

    .download-card.active {
        display: flex !important;
    }
}

/* 3. Small Mobile (<= 480px) */
@media (max-width: 480px) {
    .nav-wrapper {
        padding: 1rem;
    }

    /* Let them wrap naturally if screen is extremely narrow */
    .hero-ctas {
        flex-wrap: wrap;
    }

    .phone-chassis {
        border-width: 6px !important;
        border-radius: 24px !important;
    }

    .download-card,
    .guide-card {
        padding: 1.25rem;
    }

    .download-buttons {
        width: 100%;
    }

    .download-btn {
        width: 100%;
    }
}