:root {
    /* Font Scaling Base - JS will update --font-scale */
    --font-base: 18px;
    --font-scale: 1;

    /* Transitions */
    --transition-speed: 0.3s;
    --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);

    /* Default Theme: Dark Mode Sky Blue */
    --bg-page: #0f172a;
    /* Slate 900 */
    --bg-container: #1e293b;
    /* Slate 800 */
    --text-main: #e2e8f0;
    /* Slate 200 */
    --text-muted: #94a3b8;
    /* Slate 400 */
    --accent-color: #38bdf8;
    /* Sky 400 */
    --accent-hover: #0ea5e9;
    /* Sky 500 */
    --border-color: #334155;
    /* Slate 700 */
    --shadow-color: rgba(0, 0, 0, 0.5);
    --btn-bg: #334155;
    --btn-text: #f8fafc;
    --heading-color: #f0f9ff;
    --highlight-bg: rgba(56, 189, 248, 0.1);
}

/* Theme 2: Dark Purple */
[data-theme="dark-purple"] {
    --bg-page: #1e1b4b;
    --bg-container: #2e1065;
    --text-main: #e9d5ff;
    --text-muted: #a78bfa;
    --accent-color: #d8b4fe;
    --accent-hover: #c084fc;
    --border-color: #4c1d95;
    --shadow-color: rgba(0, 0, 0, 0.6);
    --btn-bg: #5b21b6;
    --btn-text: #ffffff;
    --heading-color: #fae8ff;
    --highlight-bg: rgba(216, 180, 254, 0.1);
}

/* Theme 3: Dark Green */
[data-theme="dark-green"] {
    --bg-page: #052e16;
    --bg-container: #064e3b;
    --text-main: #dcfce7;
    --text-muted: #86efac;
    --accent-color: #4ade80;
    --accent-hover: #22c55e;
    --border-color: #14532d;
    --shadow-color: rgba(0, 0, 0, 0.6);
    --btn-bg: #14532d;
    --btn-text: #ffffff;
    --heading-color: #f0fdf4;
    --highlight-bg: rgba(74, 222, 128, 0.1);
}

/* Theme 4: Dark OLED */
[data-theme="dark-oled"] {
    --bg-page: #000000;
    --bg-container: #121212;
    --text-main: #e5e5e5;
    --text-muted: #a3a3a3;
    /* Use lighter gray for muted text on OLED */
    --accent-color: #ffffff;
    --accent-hover: #d4d4d4;
    --border-color: #333333;
    --shadow-color: rgba(255, 255, 255, 0.1);
    --btn-bg: #262626;
    --btn-text: #ffffff;
    --heading-color: #ffffff;
    --highlight-bg: rgba(255, 255, 255, 0.05);
}

/* Theme 5: Light Blue (Clean) */
[data-theme="light-blue"] {
    --bg-page: #f0f9ff;
    --bg-container: #ffffff;
    --text-main: #334155;
    /* Darker slate for readability */
    --text-muted: #64748b;
    --accent-color: #0284c7;
    --accent-hover: #0369a1;
    --border-color: #bae6fd;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --btn-bg: #e0f2fe;
    --btn-text: #0284c7;
    --heading-color: #0c4a6e;
    --highlight-bg: rgba(2, 132, 199, 0.05);
}

/* Theme 6: Light Cream/Orange */
[data-theme="light-cream"] {
    --bg-page: #fff7ed;
    --bg-container: #ffffff;
    --text-main: #431407;
    --text-muted: #78350f;
    --accent-color: #ea580c;
    --accent-hover: #c2410c;
    --border-color: #ffedd5;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --btn-bg: #ffedd5;
    --btn-text: #9a3412;
    --heading-color: #7c2d12;
    --highlight-bg: rgba(234, 88, 12, 0.05);
}

/* Theme 7: Light Gray/Teal */
[data-theme="light-gray"] {
    --bg-page: #f9fafb;
    --bg-container: #ffffff;
    --text-main: #1f2937;
    --text-muted: #4b5563;
    --accent-color: #0d9488;
    --accent-hover: #0f766e;
    --border-color: #e5e7eb;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --btn-bg: #ccfbf1;
    --btn-text: #115e59;
    --heading-color: #134e4a;
    --highlight-bg: rgba(13, 148, 136, 0.05);
}

/* Theme 8: Light Rose */
[data-theme="light-rose"] {
    --bg-page: #fff1f2;
    --bg-container: #ffffff;
    --text-main: #881337;
    --text-muted: #be123c;
    --accent-color: #e11d48;
    --accent-hover: #be123c;
    --border-color: #fecdd3;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --btn-bg: #ffe4e6;
    --btn-text: #9f1239;
    --heading-color: #881337;
    --highlight-bg: rgba(225, 29, 72, 0.05);
}

/* Reset & Basics */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: calc(var(--font-base) * var(--font-scale));
    scroll-behavior: smooth;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Lato', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-main);
    line-height: 1.6;
    transition: background-color var(--transition-speed) var(--ease), color var(--transition-speed) var(--ease);
    -webkit-font-smoothing: antialiased;
}

body.modal-open {
    overflow: hidden;
}

/* Links */
a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

a.bible-link {
    font-weight: 700;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Gabriela', serif;
    color: var(--heading-color);
    margin-bottom: 1rem;
    line-height: 1.25;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px var(--shadow-color);
}

h2 {
    font-size: 1.8rem;
    margin-top: 2rem;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 1.4rem;
    margin-top: 0;
    color: var(--accent-color);
}

p {
    margin-bottom: 1rem;
    font-size: 1rem;
}

ul,
ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

/* Layout */
.container {
    width: 95%;
    max-width: 1000px;
    margin: 0 auto;
    padding: 1rem;
}

.banner-container {
    width: 100%;
    display: flex;
    justify-content: center;
    background-color: transparent;
    margin-bottom: 1.5rem;
    padding: 0 1rem;
    /* Add side padding for cleaner look on mobile */
}

/* Target the image directly since it lacks a class in PHP */
.banner-container img {
    max-width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: cover;
    border-radius: 20px;
    box-shadow: 0 8px 30px var(--shadow-color);
    transition: transform 0.3s ease;
}

.banner-container img:hover {
    transform: scale(1.01);
}

header {
    margin: 1rem;
    /* Space for corners to be seen */
    margin-bottom: 2rem;
    text-align: center;
    padding: 2rem 1rem;
    background: var(--bg-container);
    border-radius: 24px;
    /* Full rounded corners */
    box-shadow: 0 4px 20px var(--shadow-color);
}

.title-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.control-btn {
    background-color: var(--btn-bg);
    color: var(--btn-text);
    border: none;
    border-radius: 12px;
    padding: 0.6rem 1.2rem;
    font-size: 1.2rem;
    cursor: pointer;
    transition: transform 0.2s, background-color 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px var(--shadow-color);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 48px;
    user-select: none;
}

.control-btn:hover {
    background-color: var(--accent-color);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-color);
}

.control-btn:active {
    transform: translateY(2px);
}

/* Grid & Cards */
.reasons-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 768px) {
    .reasons-grid {
        grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    }
}

.reason-card {
    background-color: var(--bg-container);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px var(--shadow-color);
    transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s;
    display: flex;
    flex-direction: column;
    position: relative;
    cursor: pointer;
    overflow: hidden;
}

.reason-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px var(--shadow-color);
    border-color: var(--accent-color);
}

.reason-number {
    font-family: 'Gabriela', serif;
    font-size: 2.5rem;
    color: var(--accent-color);
    opacity: 0.15;
    position: absolute;
    top: 10px;
    right: 20px;
    pointer-events: none;
    font-weight: bold;
    transition: opacity 0.3s;
}

.reason-card:hover .reason-number {
    opacity: 0.3;
}

.detail-content {
    display: none;
    padding-top: 1rem;
    margin-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.95em;
    color: var(--text-main);
    line-height: 1.7;
    animation: fadeIn 0.4s ease-out;
}

/* Modal Interaction (Large Mode) */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(5px);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-backdrop.active {
    opacity: 1;
    pointer-events: all;
}

.reason-card.expanded {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-width: 800px;
    height: auto;
    max-height: 90vh;
    z-index: 1000;
    overflow-y: auto;
    cursor: default;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5);
    border: 2px solid var(--accent-color);
}

.reason-card.expanded:hover {
    transform: translate(-50%, -50%);
    /* Disable hover lift in modal mode */
}

/* Close Button (Hidden by default, shown in expanded) */
.close-btn {
    display: none;
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    z-index: 1001;
    transition: color 0.2s, transform 0.2s;
    background: transparent;
    border: none;
    padding: 0;
}

.close-btn:hover {
    color: var(--accent-color);
    transform: scale(1.1);
}

.reason-card.expanded .close-btn {
    display: block;
}

.reason-card.expanded .detail-content {
    display: block;
}

.reason-card.expanded .reason-summary {
    font-weight: bold;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.reason-card.expanded h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    padding-right: 2rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.click-animate {
    animation: clickCheck 0.3s ease-out;
}

@keyframes clickCheck {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(0.95);
    }

    100% {
        transform: scale(1);
    }
}

@media (max-width: 600px) {
    h1 {
        font-size: 2rem;
    }

    .title-controls {
        flex-direction: row;
    }

    .control-btn {
        padding: 0.5rem 1rem;
        font-size: 1rem;
    }

    .reason-card.expanded {
        padding: 1rem;
        width: 95%;
    }
}