/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&family=Noto+Sans:wght@400;500;600;700&display=swap');

:root {
    /* Bright Gradient Splashes Color Palette */
    --color-ginger-ale: #C7A86A;         /* Tan/gold */
    --color-gold-orange: #DA720F;        /* Bright orange */
    --color-greenish-brown: #675E16;     /* Olive/dark yellow-green */
    --color-bleeding-crimson: #9B1B14;   /* Dark red */
    --color-darkest-forest: #2A2D13;     /* Very dark olive */
    --color-corbeau: #0E1624;            /* Very dark blue/black */
    --color-pure-black: #000000;         /* Black */
    --color-pure-white: #FFFFFF;         /* White */

    /* Theme Mapping - Light Mode with Bright Gradient Splashes */
    --primary-color: var(--color-gold-orange);
    --primary-hover: var(--color-bleeding-crimson);
    --secondary-color: var(--color-ginger-ale);
    --accent-color: var(--color-greenish-brown);

    /* Surface Colors - Light Theme using palette */
    --background-color: #faf8f5;
    --surface-color: var(--color-pure-white);
    --surface-elevated: #f5f1ea;
    --surface-hover: rgba(218, 114, 15, 0.08);
    --text-primary: var(--color-corbeau);
    --text-secondary: var(--color-darkest-forest);
    --text-tertiary: var(--color-greenish-brown);
    --border-color: rgba(103, 94, 22, 0.25);
    --border-light: rgba(199, 168, 106, 0.2);

    /* State Colors - Light Mode using bright palette */
    --success-color: var(--color-greenish-brown);
    --success-bg: rgba(103, 94, 22, 0.12);
    --warning-color: var(--color-gold-orange);
    --warning-bg: rgba(218, 114, 15, 0.12);
    --danger-color: var(--color-bleeding-crimson);
    --danger-bg: rgba(155, 27, 20, 0.12);
    --info-color: var(--color-ginger-ale);
    --info-bg: rgba(199, 168, 106, 0.12);

    /* Surface Variants - Light Mode */
    --md-surface-variant: var(--surface-elevated);
    --md-primary-container: rgba(218, 114, 15, 0.1);

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;

    /* Typography - Noto Sans for headers, Roboto for body */
    --font-family-body: 'Roboto', system-ui, sans-serif;
    --font-family-heading: 'Noto Sans', system-ui, sans-serif;
    --font-family: var(--font-family-body);
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.375rem;
    --font-size-xxl: 2.25rem;

    /* Elevation - Light theme shadows with warm tones */
    --shadow-1: 0 1px 3px rgba(42, 45, 19, 0.12), 0 1px 2px rgba(42, 45, 19, 0.08);
    --shadow-2: 0 2px 6px rgba(42, 45, 19, 0.15), 0 1px 3px rgba(42, 45, 19, 0.1);
    --shadow-3: 0 4px 12px rgba(42, 45, 19, 0.18), 0 2px 6px rgba(42, 45, 19, 0.12);
    --shadow-lg: 0 8px 24px rgba(42, 45, 19, 0.2), 0 4px 12px rgba(42, 45, 19, 0.15);
    --shadow-md: 0 3px 8px rgba(42, 45, 19, 0.15), 0 1px 4px rgba(42, 45, 19, 0.1);

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-pill: 100px;

    /* Gradients - Light Mode with Bright Gradient Splashes */
    --brand-gradient: linear-gradient(135deg, var(--color-gold-orange) 0%, var(--color-bleeding-crimson) 50%, var(--color-ginger-ale) 100%);
    --surface-gradient: linear-gradient(180deg, var(--color-pure-white) 0%, #faf8f5 100%);
}

/* Dark Mode Theme */
[data-theme="dark"] {
    /* Surface Colors - Dark Theme */
    --background-color: var(--color-pure-black);
    --surface-color: #1a1612;
    --surface-elevated: #2a2419;
    --surface-hover: rgba(218, 114, 15, 0.12);
    --text-primary: #f5f1ea;
    --text-secondary: var(--color-ginger-ale);
    --text-tertiary: #d4a574;
    --border-color: rgba(199, 168, 106, 0.3);
    --border-light: rgba(199, 168, 106, 0.15);

    /* State Colors - Dark Mode */
    --success-color: #98a865;
    --success-bg: rgba(152, 168, 101, 0.15);
    --warning-color: var(--color-gold-orange);
    --warning-bg: rgba(218, 114, 15, 0.15);
    --danger-color: #e57373;
    --danger-bg: rgba(229, 115, 115, 0.15);
    --info-color: var(--color-ginger-ale);
    --info-bg: rgba(199, 168, 106, 0.15);

    /* Surface Variants - Dark Mode */
    --md-surface-variant: var(--surface-elevated);
    --md-primary-container: rgba(218, 114, 15, 0.15);

    /* Elevation - Dark theme shadows */
    --shadow-1: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-2: 0 2px 6px rgba(0, 0, 0, 0.45), 0 1px 3px rgba(0, 0, 0, 0.35);
    --shadow-3: 0 4px 12px rgba(0, 0, 0, 0.5), 0 2px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.55), 0 4px 12px rgba(0, 0, 0, 0.45);
    --shadow-md: 0 3px 8px rgba(0, 0, 0, 0.45), 0 1px 4px rgba(0, 0, 0, 0.35);

    /* Gradients - Dark Mode */
    --surface-gradient: linear-gradient(180deg, var(--color-pure-black) 0%, #1a1612 100%);
}

[data-theme="dark"] .modal {
    background-color: rgba(0, 0, 0, 0.85);
}

* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-primary);
    margin: 0;
    padding: 0;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Headings use Noto Sans */
h1, h2, h3, h4, h5, h6,
.modal-title,
.page-title,
.section-title,
.card-title,
.stat-label {
    font-family: var(--font-family-heading);
    font-weight: 600;
    letter-spacing: -0.02em;
}

.layout {
    display: flex;
    min-height: 100vh;
    background: var(--background-color);
}

/* Sidebar - Light Professional Style */
.sidebar {
    width: 280px;
    background: var(--surface-color);
    border-right: 1px solid var(--border-light);
    color: var(--text-primary);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg) var(--spacing-md);
    transition: width 0.3s ease;
    box-shadow: var(--shadow-1);
}

/* Logo Section */
.logo {
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-md) 0;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-text {
    font-family: var(--font-family-heading);
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    background: var(--brand-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
}

.nav-links {
    list-style: none;
    padding: 0;
    margin: 0;
    flex: 1;
}

.nav-group {
    margin-bottom: 0.75rem;
}

.nav-group-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-tertiary);
    letter-spacing: 0.15em;
    padding: 1.5rem var(--spacing-md) 0.5rem var(--spacing-md);
    opacity: 0.7;
}

.nav-sub-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

/* Navigation Links - Modern Pill Style */
.nav-link {
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    height: 3.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
    margin: 2px 0;
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
    transform: translateX(4px);
}

.nav-link.active {
    background: linear-gradient(135deg, var(--color-gold-orange), var(--color-bleeding-crimson));
    color: var(--color-pure-white);
    font-weight: 600;
    box-shadow: var(--shadow-1);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--color-gold-orange);
    border-radius: 0 2px 2px 0;
}

.nav-link .material-symbols-outlined {
    margin-right: 16px;
    font-size: 22px;
    opacity: 0.9;
}

.nav-link.active .material-symbols-outlined {
    opacity: 1;
}

/* Methodology Stepper */
.process-stepper-container {
    background: var(--surface-color);
    padding: var(--spacing-lg) var(--spacing-xl);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-2);
    border: 1px solid var(--border-color);
}

.process-stepper {
    display: flex;
    justify-content: space-between;
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}

.process-stepper::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 1;
    flex: 1;
    cursor: default;
    transition: transform 0.2s ease;
}

.process-step:hover {
    transform: translateY(-2px);
}

.step-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    color: var(--text-secondary);
}

.process-step:hover .step-circle {
    border-color: var(--primary-color);
    color: var(--primary-color);
    box-shadow: 0 0 0 8px rgba(145, 109, 95, 0.1);
    background: var(--surface-elevated);
}

.step-name {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.process-step:hover .step-name {
    color: var(--primary-color);
}

/* Main Content */
.main-content {
    flex: 1;
    padding: var(--spacing-xl);
    overflow-y: auto;
    background: var(--background-color);
    min-height: 100vh;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: var(--font-size-xxl);
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
    letter-spacing: -0.02em;
}

/* Buttons - Modern Dark Theme */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 24px;
    height: 40px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
    border: none;
    text-decoration: none;
    gap: 8px;
    position: relative;
    overflow: hidden;
    user-select: none;
    letter-spacing: 0.01em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-gold-orange), var(--color-bleeding-crimson));
    color: var(--color-pure-white);
    box-shadow: var(--shadow-1);
    font-weight: 600;
}

.btn-primary:hover {
    box-shadow: var(--shadow-2);
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: var(--surface-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-light);
}

.btn-secondary:hover {
    background-color: var(--surface-hover);
    border-color: var(--color-gold-orange);
    color: var(--text-primary);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background-color: var(--surface-hover);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

/* Cards - Light Vibrant Style */
.card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-1);
    border: 1px solid var(--border-light);
    transition: all 0.25s cubic-bezier(0.2, 0, 0, 1);
    display: flex;
    flex-direction: column;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-gold-orange), var(--color-bleeding-crimson));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.card:hover {
    box-shadow: var(--shadow-2);
    border-color: var(--border-color);
    transform: translateY(-2px);
    background: var(--surface-elevated);
}

.card:hover::before {
    opacity: 1;
}

.card-elevated {
    box-shadow: var(--shadow-2);
    background: var(--surface-elevated);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
}

.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.card-subtitle {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    opacity: 0.8;
}

.status-badge {
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-active {
    background-color: var(--success-bg);
    color: var(--success-color);
    border: 1px solid rgba(74, 222, 128, 0.3);
}

.status-draft {
    background-color: var(--surface-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border-light);
}

.phase-indicator {
    margin-top: var(--spacing-md);
}

.phase-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    display: block;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background-color: var(--surface-elevated);
    border-radius: var(--radius-pill);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.progress-value {
    height: 100%;
    background: linear-gradient(90deg, var(--color-gold-orange), var(--color-bleeding-crimson));
    border-radius: var(--radius-pill);
    transition: width 0.3s ease;
}

/* Forms - Dark Theme */
.form-group {
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    margin-left: 4px;
    letter-spacing: 0.01em;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 16px;
    background-color: var(--surface-color);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    border-width: 2px;
    padding: 11px 15px;
    background-color: var(--surface-elevated);
    box-shadow: 0 0 0 3px rgba(218, 114, 15, 0.2);
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--text-tertiary);
    opacity: 0.6;
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23C9C9CE' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

/* Tables - Light Theme */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
}

.data-table th,
.data-table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-light);
}

.data-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    background: var(--surface-elevated);
}

.data-table tr:hover {
    background: var(--surface-hover);
    transition: background 0.2s ease;
}

.data-table tr:last-child td {
    border-bottom: none;
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Modal - Light Theme */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(42, 45, 19, 0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--surface-color);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    box-shadow: var(--shadow-lg);
    animation: slideUp 0.3s ease-out;
    border: 1px solid var(--border-color);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-light);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin: 0;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-light);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-icon:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

/* Category Badges - Light Mode */
.category-badge {
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.category-friction {
    background-color: rgba(155, 27, 20, 0.12);
    color: var(--color-bleeding-crimson);
    border: 1px solid rgba(155, 27, 20, 0.3);
}

.category-fragmentation {
    background-color: rgba(218, 114, 15, 0.12);
    color: var(--color-gold-orange);
    border: 1px solid rgba(218, 114, 15, 0.3);
}

.category-intelligence {
    background-color: rgba(199, 168, 106, 0.15);
    color: #a68940;
    border: 1px solid rgba(199, 168, 106, 0.4);
}

.category-consistency {
    background-color: rgba(103, 94, 22, 0.12);
    color: var(--color-greenish-brown);
    border: 1px solid rgba(103, 94, 22, 0.3);
}

.category-scale {
    background-color: rgba(218, 114, 15, 0.12);
    color: #c85c0a;
    border: 1px solid rgba(218, 114, 15, 0.3);
}

/* Actions Dropdown */
.actions-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    background: var(--surface-color);
    min-width: 160px;
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    z-index: 1001;
    border: 1px solid var(--border-color);
    padding: 0.5rem 0;
    margin-top: 4px;
}

.actions-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-item {
    padding: 0.75rem 1rem;
    text-decoration: none;
    display: block;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    transition: background-color 0.2s;
}

.dropdown-item:hover {
    background-color: var(--surface-hover);
    color: var(--primary-color);
}

.dropdown-item i {
    margin-right: 0.5rem;
}

/* C2P Score & Separation Test */
.c2p-score {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    padding: 0.75rem 1.25rem;
    background: var(--brand-gradient);
    color: var(--surface-color);
    border-radius: var(--radius-md);
    font-weight: 700;
    box-shadow: var(--shadow-2);
    border: 1px solid rgba(145, 109, 95, 0.3);
}

.c2p-score-value {
    font-size: 1.5rem;
    line-height: 1;
    margin-bottom: 2px;
}

.c2p-score-label {
    font-size: 0.65rem;
    opacity: 0.9;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.separation-test-result {
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin-top: 1.5rem;
    text-align: center;
    border: 1px solid;
}

.separation-test-strong {
    background-color: var(--success-bg);
    border-color: var(--success-color);
    color: var(--success-color);
}

.separation-test-conditional {
    background-color: var(--warning-bg);
    border-color: var(--warning-color);
    color: var(--warning-color);
}

.separation-test-weak {
    background-color: var(--danger-bg);
    border-color: var(--danger-color);
    color: var(--danger-color);
}

.score-display {
    font-size: 2.5rem;
    font-weight: 800;
    display: block;
    margin-bottom: 0.5rem;
}

.test-question {
    margin-bottom: 1.25rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-light);
}

.test-question:last-child {
    border-bottom: none;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    cursor: pointer;
    color: var(--text-primary);
    transition: color 0.2s ease;
}

.radio-label:hover {
    color: var(--primary-color);
}

.radio-label input[type="radio"] {
    accent-color: var(--primary-color);
}

/* View Toggle Styles */
.view-toggle {
    display: flex;
    gap: 0.25rem;
    background: var(--surface-elevated);
    padding: 0.25rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.view-toggle-btn {
    background: transparent;
    border: none;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.view-toggle-btn:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.view-toggle-btn.active {
    background: linear-gradient(135deg, var(--color-gold-orange), var(--color-bleeding-crimson));
    color: var(--color-pure-white);
    box-shadow: var(--shadow-1);
}

/* Gantt Timeline Styles */
.gantt-container {
    width: 100%;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-1);
}

.gantt-row {
    transition: background 0.2s ease;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.gantt-row:hover {
    background: var(--surface-hover);
}

.gantt-bar {
    box-shadow: var(--shadow-1);
    border-radius: var(--radius-sm);
}

/* Scrollbar Styling - Light Theme */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--surface-elevated);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold-orange);
}

/* Selection Styling */
::selection {
    background: var(--color-gold-orange);
    color: var(--color-pure-white);
}

::-moz-selection {
    background: var(--color-gold-orange);
    color: var(--color-pure-white);
}

/* Focus Visible for Accessibility */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Utility Classes */
.text-primary {
    color: var(--text-primary);
}

.text-secondary {
    color: var(--text-secondary);
}

.text-tertiary {
    color: var(--text-tertiary);
}

.bg-surface {
    background: var(--surface-color);
}

.bg-elevated {
    background: var(--surface-elevated);
}

.border-subtle {
    border-color: var(--border-light);
}

/* Theme Toggle Switch */
.theme-toggle-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    margin-bottom: var(--spacing-lg);
}

.theme-toggle-label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.theme-toggle-title {
    font-family: var(--font-family-heading);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--text-primary);
}

.theme-toggle-description {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.theme-switch {
    position: relative;
    display: inline-block;
    width: 60px;
    height: 32px;
}

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

.theme-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color);
    transition: 0.3s;
    border-radius: var(--radius-pill);
}

.theme-slider:before {
    position: absolute;
    content: "";
    height: 24px;
    width: 24px;
    left: 4px;
    bottom: 4px;
    background-color: var(--surface-color);
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.theme-switch input:checked + .theme-slider {
    background: var(--brand-gradient);
}

.theme-switch input:checked + .theme-slider:before {
    transform: translateX(28px);
}

.theme-slider:hover {
    opacity: 0.9;
}