@import url('https://fonts.googleapis.com/css2?family=Eczar:wght@400..800&family=Outfit:wght@300;400;500;600;700;800&family=Ephesis&family=Bubblegum+Sans&display=swap');

:root {
    /* Color Palette - Light Mode (Grounding terracotta, warm sand, soft cream) */
    --bg-base: #fdfbf7;
    --bg-card: #ffffff;
    --bg-accent: #f7ede2;
    --bg-header: rgba(253, 243, 231, 0.85);
    
    --border-color: #e5e5e5;
    --text-primary: #3b2314;
    --text-secondary: #6e584a;
    --text-muted: #9c8a7e;
    
    --color-orange-light: #ffedd5;
    --color-orange-medium: #f97316;
    --color-orange-dark: #c2410c;
    
    --accent: #d97706;
    --accent-hover: #b45309;
    --accent-bg: #fef3c7;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    
    --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: 'Eczar', Georgia, serif;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --font-scale: 1;
}

body.dark {
    /* Color Palette - Dark Mode (Deep cosmic charcoal, glowing embers) */
    --bg-base: #0f172a;
    --bg-card: #1e293b;
    --bg-accent: #334155;
    --bg-header: rgba(30, 41, 59, 0.85);
    
    --border-color: #334155;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;
    
    --color-orange-light: #334155;
    --color-orange-medium: #fbbf24;
    --color-orange-dark: #f59e0b;
    
    --accent: #fbbf24;
    --accent-hover: #f59e0b;
    --accent-bg: #451a03;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.5);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
}

/* Global Reset & Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: #475569; /* matching original dark outer wrapper background */
    color: var(--text-primary);
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Main Container Wrapper - limits width like original sm:w-4/5 md:w-3/5 */
.app-container {
    max-width: 800px;
    margin: 0 auto;
    min-height: 100vh;
    background: linear-gradient(180deg, var(--bg-base) 0%, var(--bg-accent) 100%);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    position: relative;
    padding-bottom: 2rem;
    transition: background var(--transition-normal);
}

/* Header & Sticky Elements */
.sticky-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--bg-header);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-md);
    transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: 0.025em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

/* Navigation Icon Button */
.icon-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.35rem;
    border-radius: 50%;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.icon-btn:hover {
    background-color: var(--border-color);
    transform: scale(1.05);
}

.icon-btn svg {
    width: 1.5rem;
    height: 1.5rem;
    stroke: currentColor;
    fill: none;
}

/* Dark Mode Icon Specifics */
body.dark .theme-toggle-dark {
    display: none;
}
body:not(.dark) .theme-toggle-light {
    display: none;
}

/* Typography styles */
.font-eczar {
    font-family: var(--font-serif);
}

.font-bubblegum {
    font-family: 'Bubblegum Sans', sans-serif;
}

.font-ephesis {
    font-family: 'Ephesis', cursive;
}

/* Button & Forms */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: 0.5rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-primary);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-fast);
}

.btn:hover {
    background-color: var(--border-color);
    border-color: var(--text-muted);
}

.btn-accent {
    background-color: var(--accent);
    color: #ffffff;
    border-color: var(--accent);
}

.btn-accent:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #ffffff;
}

/* Cards & Lists */
.card-list {
    list-style: none;
    padding: 1.5rem 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card-item {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 0.75rem;
    padding: 1.25rem;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.card-link {
    text-decoration: none;
    color: var(--color-orange-dark);
    font-weight: 700;
    font-size: 1.15rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.25rem;
    transition: color var(--transition-fast);
}

body.dark .card-link {
    color: var(--color-orange-medium);
}

.card-link:hover {
    text-decoration: underline;
}

.card-desc {
    color: var(--text-secondary);
    font-style: italic;
    font-size: 0.95rem;
}

/* Modals & Dialogs */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background-color: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    width: 90%;
    max-width: 450px;
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    position: relative;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
    transform: scale(1);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
    margin-bottom: 1rem;
}

.modal-title {
    font-size: 1.25rem;
    font-weight: 700;
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.modal-footer {
    display: flex;
    gap: 0.5rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 0.75rem;
}

/* Form Styles */
.form-group {
    margin-bottom: 1.25rem;
    text-align: left;
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.35rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.65rem 0.75rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    background-color: var(--bg-base);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-bg);
}

.checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.checkbox-group input {
    margin-top: 0.2rem;
}

/* Responsive Utilities */
@media (max-width: 600px) {
    .app-container {
        padding: 0;
    }
}