/* ========================================
   Visual Branding Overrides (A1, A2, A3)
   ======================================== */

:root {
    /* Brand Colors (A1) */
    --primary: #1A2332;
    /* Deep Navy */
    --primary-dark: #121a25;
    --primary-light: #2c3b52;

    --accent: #D4AF37;
    /* Gold */
    --accent-hover: #b8952b;

    /* Backgrounds - Light Theme */
    --bg-dark: #FFFFFF;
    /* Main Body Background */
    --bg-card: #F5F1E8;
    /* Warm Beige Cards */
    --bg-card-hover: #ebe5d5;
    --bg-input: #FFFFFF;

    /* Text */
    --text-primary: #1A2332;
    /* Navy Headers */
    --text-secondary: #333333;
    /* Charcoal Body */
    --text-muted: #64748b;

    --border-color: #e2e8f0;

    /* Shadows */
    --shadow-glow: 0 0 15px rgba(212, 175, 55, 0.3);
}

/* Base Fonts (A1) */
body {
    font-family: 'Montserrat', sans-serif;
    color: var(--text-secondary);
}

h1,
h2,
h3,
h4,
h5,
h6,
.page-title,
.section-title,
.form-title,
.logo-text,
.nav-text {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    color: var(--text-primary);
}

/* Nav Bar Overrides */
.top-nav {
    background: var(--bg-card);
    border-bottom: 2px solid var(--accent);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.logo-text {
    background: none;
    -webkit-text-fill-color: initial;
    color: var(--primary);
}

.nav-item {
    color: var(--text-secondary);
    font-weight: 500;
}

.nav-item:hover {
    background: rgba(26, 35, 50, 0.05);
    color: var(--primary);
}

.nav-item.active {
    background: var(--accent);
    color: var(--primary);
    box-shadow: 0 4px 10px rgba(212, 175, 55, 0.4);
}

/* Buttons (A3) */
.btn {
    border-radius: 8px;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary {
    background: var(--accent);
    color: #FFFFFF;
    border: none;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-secondary {
    background-color: var(--primary);
    color: #FFFFFF;
    border: none;
}

.btn-secondary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

/* Inputs */
.form-group input,
.form-group select,
.form-group textarea {
    border-color: #cbd5e1;
    color: var(--text-secondary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
}

/* Footer (A2) */
.app-footer {
    width: 100%;
    padding: 24px 0;
    background-color: var(--bg-card);
    color: #333333;
    font-family: 'Montserrat', sans-serif;
    font-size: 12px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 40px;
    transition: color 0.3s ease, text-shadow 0.3s ease;
    cursor: default;
}

.app-footer:hover {
    color: #ffffff;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
}

/* ========================================
   A4: Dark Theme Mode
   ======================================== */
[data-theme="dark"] {
    /* Backgrounds */
    --bg-dark: #0f172a;
    /* Slate 900 */
    --bg-card: #1e293b;
    /* Slate 800 */
    --bg-card-hover: #334155;
    /* Slate 700 */
    --bg-input: #1e293b;
    /* Match card */

    /* Text */
    --text-primary: #f8fafc;
    /* Slate 50 (White-ish) */
    --text-secondary: #e2e8f0;
    /* Slate 200 (Lighter Gray for better contrast) */
    --text-muted: #cbd5e1;
    /* Slate 300 */

    /* Borders */
    --border-color: #334155;

    /* Brand Colors Adaptation */
    --primary: #60a5fa;
    /* Lighter Blue/Navy for text elements if needed, but we rely on text-primary */
    /* Note: We keep --accent (Gold) as is, it pops well on dark */
}

/* Dark Theme Specific Overrides */
[data-theme="dark"] .nav-item.active {
    background: var(--accent);
    color: #0f172a;
    /* Dark Text on Gold Background */
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.2);
}

[data-theme="dark"] .logo-text {
    color: var(--accent);
    /* Gold Logo Text in Dark Mode */
}

[data-theme="dark"] .btn-secondary {
    background-color: #334155;
    /* Lighter Slate for secondary buttons */
    color: #f8fafc;
}

[data-theme="dark"] .btn-secondary:hover {
    background-color: #475569;
}

[data-theme="dark"] .table-container,
[data-theme="dark"] .table-wrapper {
    border-color: var(--border-color);
}

/* Toggle Switch CSS */
.switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 26px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #ccc;
    transition: .4s;
    border-radius: 34px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

input:checked+.slider {
    background-color: var(--accent);
}

input:checked+.slider:before {
    transform: translateX(24px);
}