/* ============================================================================
   IDEA CATAMARAN CHARTER - Fleet Booking System
   Corporate Luxury Design with Dark Mode Support
   ============================================================================ */

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

/* ============================================================================
   CSS Variables - Design System
   ============================================================================ */

:root {
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    /* Brand Colors - Light Mode */
    --color-primary: #0F172A;
    /* Deep Navy */
    --color-primary-dark: #020617;
    --color-primary-light: #1E293B;
    --color-accent: #D4AF37;
    /* Gold/Bronze */
    --color-accent-light: #FCD34D;
    --color-accent-hover: #B5952F;

    /* Neutral Colors - Light Mode */
    --color-background: #F8FAFC;
    --color-surface: #FFFFFF;
    --color-surface-hover: #F1F5F9;
    --color-border: #E2E8F0;
    --color-text-primary: #0F172A;
    --color-text-secondary: #475569;
    --color-text-tertiary: #94A3B8;

    /* Semantic Colors */
    --color-success: #059669;
    --color-success-bg: #ECFDF5;
    --color-warning: #D97706;
    --color-warning-bg: #FFFBEB;
    --color-error: #DC2626;
    --color-error-bg: #FEF2F2;
    --color-info: #2563EB;
    --color-info-bg: #EFF6FF;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);

    /* Layout */
    --header-height: 80px;
    --border-radius-sm: 0.5rem;
    --border-radius-md: 0.75rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --color-primary: #3B82F6;
    --color-primary-dark: #2563EB;
    --color-primary-light: #60A5FA;
    --color-accent: #FCD34D;
    --color-accent-light: #FDE68A;
    --color-accent-hover: #FBBF24;

    --color-background: #0F172A;
    --color-surface: #1E293B;
    --color-surface-hover: #334155;
    --color-border: #334155;
    --color-text-primary: #F8FAFC;
    --color-text-secondary: #CBD5E1;
    --color-text-tertiary: #94A3B8;

    --color-success-bg: #064E3B;
    --color-warning-bg: #78350F;
    --color-error-bg: #7F1D1D;
    --color-info-bg: #172554;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --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, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
}

/* Auto Dark Mode Detection */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --color-primary: #3B82F6;
        --color-primary-dark: #2563EB;
        --color-primary-light: #60A5FA;
        --color-accent: #FCD34D;
        --color-accent-light: #FDE68A;
        --color-accent-hover: #FBBF24;

        --color-background: #0F172A;
        --color-surface: #1E293B;
        --color-surface-hover: #334155;
        --color-border: #334155;
        --color-text-primary: #F8FAFC;
        --color-text-secondary: #CBD5E1;
        --color-text-tertiary: #94A3B8;

        --color-success-bg: #064E3B;
        --color-warning-bg: #78350F;
        --color-error-bg: #7F1D1D;
        --color-info-bg: #172554;

        --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
        --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, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
        --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
    }
}

/* ============================================================================
   Base Styles
   ============================================================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    min-height: 100vh;
    transition: background-color var(--transition-base), color var(--transition-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================================================
   Header & Navigation
   ============================================================================ */

/* ============================================================================
   Header & Navigation
   ============================================================================ */

header {
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

[data-theme="dark"] header {
    background-color: rgba(30, 41, 59, 0.8);
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: var(--header-height);
    padding-top: 0;
    padding-bottom: 0;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

header h1 {
    font-family: var(--font-display);
    color: var(--color-primary);
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    margin: 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

[data-theme="dark"] header h1 {
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 2rem;
}

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: 1.25rem;
}

.theme-toggle:hover {
    background-color: var(--color-surface-hover);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: rotate(15deg);
}

/* Navigation */
nav ul {
    list-style: none;
    display: flex;
    gap: 0.75rem;
    margin: 0;
}

nav a {
    text-decoration: none;
    color: var(--color-text-secondary);
    font-weight: 500;
    font-size: 0.9375rem;
    padding: 0.625rem 1.25rem;
    border-radius: 2rem;
    transition: all var(--transition-fast);
    display: block;
    position: relative;
}

nav a:hover {
    color: var(--color-primary);
    background-color: var(--color-surface-hover);
}

nav a.active {
    background-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

/* ============================================================================
   Main Content
   ============================================================================ */

main {
    padding: 4rem 0;
    min-height: calc(100vh - var(--header-height));
}

section {
    background-color: var(--color-surface);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    opacity: 0;
    animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

section:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

h2 {
    font-family: var(--font-display);
    color: var(--color-primary);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
    letter-spacing: -0.025em;
    position: relative;
    padding-bottom: 1rem;
}

h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--color-accent);
    border-radius: 2px;
}

h3 {
    font-family: var(--font-display);
    color: var(--color-text-primary);
    font-size: 1.75rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
}

h4 {
    color: var(--color-text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

h5 {
    color: var(--color-text-primary);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

p {
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

/* ============================================================================
   Form Styles
   ============================================================================ */

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

label {
    display: block;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="date"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-primary);
    font-size: 1rem;
    color: var(--color-text-primary);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.1);
    transform: translateY(-1px);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus,
[data-theme="dark"] textarea:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

input::placeholder,
textarea::placeholder {
    color: var(--color-text-tertiary);
}

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

/* ============================================================================
   Buttons
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: 2rem;
    /* Pill shape */
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
    letter-spacing: 0.025em;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-danger {
    background-color: var(--color-error);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
    background-color: #DC2626;
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2.5rem;
}

/* ============================================================================
   Dashboard
   ============================================================================ */

/* ============================================================================
   Dashboard
   ============================================================================ */

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.dashboard-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 2.5rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.dashboard-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.dashboard-card h3 {
    color: white;
    font-size: 1.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-bottom: 1rem;
}

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

.stat {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-lg);
    transition: transform var(--transition-fast);
}

.stat:hover {
    transform: translateX(5px);
    background: rgba(255, 255, 255, 0.1);
}

.stat-label {
    font-size: 0.9375rem;
    opacity: 0.9;
    font-weight: 500;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    font-family: var(--font-display);
}

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

.actions .btn {
    width: 100%;
    justify-content: center;
}

.actions .btn-secondary {
    color: white;
    border-color: rgba(255, 255, 255, 0.3);
}

.actions .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: white;
}

/* ============================================================================
   Catamaran Grid
   ============================================================================ */

.catamaran-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 2.5rem;
}

.catamaran-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

.catamaran-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.catamaran-header {
    padding: 2rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    position: relative;
}

.catamaran-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 20px;
    background: var(--color-surface);
    clip-path: polygon(0 100%, 100% 100%, 100% 0);
}

.catamaran-header h3 {
    color: white;
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.catamaran-model {
    opacity: 0.9;
    font-size: 0.9375rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.catamaran-details {
    padding: 2rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.catamaran-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.spec {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.spec-label {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
}

.spec-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    font-family: var(--font-display);
}

/* ============================================================================
   Bookings List
   ============================================================================ */

/* ============================================================================
   Bookings List
   ============================================================================ */

.bookings-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.booking-card {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    padding: 2rem;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.booking-card::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 4px;
    background: var(--color-primary);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.booking-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateX(4px);
    border-color: var(--color-primary-light);
}

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

.booking-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.booking-id {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    font-weight: 600;
    font-family: var(--font-primary);
    background: var(--color-surface-hover);
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
}

.booking-status {
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-sm);
}

.booking-status.pending {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.booking-status.confirmed {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.booking-status.cancelled {
    background-color: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.booking-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.booking-detail {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.detail-label {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
}

.detail-value {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--color-text-primary);
}

/* ============================================================================
   Knowledge Base
   ============================================================================ */

.knowledge-section {
    max-width: 100%;
}

/* KB Test Section */
.kb-test-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: 3rem;
    border-radius: var(--border-radius-xl);
    margin-bottom: 3rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.kb-test-section::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    transform: rotate(-15deg);
    pointer-events: none;
}

.kb-test-section h3 {
    color: white;
    margin-bottom: 2rem;
    font-size: 2rem;
    text-align: center;
}

.kb-test-form {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

.kb-test-form input {
    flex: 1;
    background-color: rgba(255, 255, 255, 0.95);
    border: none;
    color: #0F172A;
    font-size: 1.125rem;
    padding: 1rem 1.5rem;
    border-radius: 2rem;
    box-shadow: var(--shadow-lg);
}

.kb-test-form input::placeholder {
    color: #64748B;
}

.kb-test-form .btn {
    padding-left: 2rem;
    padding-right: 2rem;
    box-shadow: var(--shadow-lg);
    background: white;
    color: var(--color-primary);
}

.kb-test-form .btn:hover {
    background: var(--color-surface-hover);
    transform: translateY(-2px);
}

.kb-test-results {
    margin-top: 2rem;
    position: relative;
    z-index: 1;
}

.test-result {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    padding: 2.5rem;
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    animation: slideUp 0.4s ease-out;
}

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

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

.test-result h4 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--color-border);
}

.test-result-section {
    margin-bottom: 2rem;
}

.test-result-section:last-child {
    margin-bottom: 0;
}

.test-result-section h5 {
    color: var(--color-primary);
    font-size: 1.125rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.test-response {
    background-color: var(--color-surface-hover);
    padding: 1.5rem;
    border-radius: var(--border-radius-lg);
    border-left: 4px solid var(--color-primary);
    line-height: 1.8;
    color: var(--color-text-secondary);
    font-size: 1.0625rem;
}

.test-metrics {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

.metric {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--color-surface-hover);
    padding: 0.75rem 1.25rem;
    border-radius: var(--border-radius-lg);
}

.metric-label {
    font-weight: 600;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.metric-value {
    padding: 0.5rem 1rem;
    border-radius: 1rem;
    font-weight: 700;
    font-size: 1rem;
}

.confidence-high {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

[data-theme="dark"] .confidence-high {
    background-color: rgba(16, 185, 129, 0.1);
    color: #34D399;
    border-color: rgba(16, 185, 129, 0.2);
}

.confidence-medium {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

[data-theme="dark"] .confidence-medium {
    background-color: rgba(245, 158, 11, 0.1);
    color: #FCD34D;
    border-color: rgba(245, 158, 11, 0.2);
}

.confidence-low {
    background-color: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

[data-theme="dark"] .confidence-low {
    background-color: rgba(239, 68, 68, 0.1);
    color: #FCA5A5;
    border-color: rgba(239, 68, 68, 0.2);
}

.test-documents {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.doc-link {
    background-color: var(--color-info-bg);
    color: var(--color-info);
    padding: 0.625rem 1.25rem;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 0.875rem;
    font-weight: 600;
    border: 2px solid transparent;
}

[data-theme="dark"] .doc-link {
    background-color: rgba(59, 130, 246, 0.1);
    color: #93C5FD;
    border-color: #3B82F6;
}

.doc-link:hover {
    background-color: var(--color-primary);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

/* KB Controls */
.kb-controls {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background-color: var(--color-surface-hover);
    border-radius: var(--border-radius-lg);
}

.kb-search input {
    width: 100%;
}

.kb-filters {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.kb-filters input {
    flex: 1;
    min-width: 200px;
}

.kb-actions {
    display: flex;
    justify-content: flex-end;
}

/* KB List */
.kb-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.kb-entry {
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.kb-entry:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.kb-entry.highlighted {
    border-color: var(--color-warning);
    background-color: var(--color-warning-bg);
    box-shadow: var(--shadow-xl);
    animation: highlight-pulse 1s ease-in-out;
}

@keyframes highlight-pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.02);
    }
}

.kb-entry-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background-color: var(--color-surface-hover);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.kb-entry-header:hover {
    background-color: var(--color-border);
}

.kb-entry-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.kb-entry-expand {
    font-size: 1.25rem;
    transition: transform var(--transition-base);
    color: var(--color-primary);
}

.kb-entry.expanded .kb-entry-expand {
    transform: rotate(90deg);
}

.kb-entry-meta {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.kb-tag {
    padding: 0.375rem 1rem;
    border-radius: var(--border-radius-lg);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.kb-tag.topic {
    background-color: var(--color-info-bg);
    color: var(--color-info);
}

.kb-tag.category {
    background-color: var(--color-success-bg);
    color: var(--color-success);
}

.kb-entry-content {
    display: none;
    padding: 1.5rem;
    border-top: 1px solid var(--color-border);
}

.kb-entry.expanded .kb-entry-content {
    display: block;
    animation: slideDown var(--transition-base);
}

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

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

.kb-entry-text {
    margin-bottom: 1.5rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
}

.kb-entry-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

.kb-entry-actions button {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

/* ============================================================================
   Modal
   ============================================================================ */

.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.modal-content {
    background-color: var(--color-surface);
    margin: 5% auto;
    padding: 2.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    width: 90%;
    max-width: 600px;
    animation: slideUp var(--transition-slow);
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

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

.close {
    color: var(--color-text-tertiary);
    float: right;
    font-size: 2rem;
    font-weight: 300;
    line-height: 1;
    cursor: pointer;
    transition: color var(--transition-fast);
}

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

/* ============================================================================
   Messages & Alerts
   ============================================================================ */

.error,
.success,
.warning,
.info {
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius-md);
    margin-bottom: 1.5rem;
    font-weight: 500;
    border-left: 4px solid;
    display: none;
}

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

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

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

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

/* ============================================================================
   Listino Prezzi
   ============================================================================ */

.listino-section {
    max-width: 100%;
}

.listino-controls {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--color-surface);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border);
}

.listino-search input {
    width: 100%;
    padding: 0.875rem 1.25rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    background: var(--color-background);
    color: var(--color-text-primary);
    font-size: 1rem;
}

.listino-filters {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    background: var(--color-surface-hover);
    transition: all var(--transition-fast);
}

.filter-checkbox:hover {
    background: var(--color-border);
}

.filter-checkbox input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    cursor: pointer;
}

.filter-checkbox span {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.listino-actions {
    display: flex;
    justify-content: flex-end;
}

.listino-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.listino-item {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
}

.listino-item:hover {
    box-shadow: var(--shadow-md);
}

.listino-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.listino-item-header:hover {
    background: var(--color-surface-hover);
}

.listino-item-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.listino-item-expand {
    color: var(--color-primary);
    font-size: 0.875rem;
    transition: transform var(--transition-base);
}

.listino-item.expanded .listino-item-expand {
    transform: rotate(90deg);
}

.listino-item-main {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.listino-item-main strong {
    font-size: 1.125rem;
    color: var(--color-text-primary);
    font-weight: 600;
}

.listino-item-desc {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.listino-item-badges {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.listino-badge {
    padding: 0.375rem 0.875rem;
    border-radius: var(--border-radius-lg);
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-obbligatorio {
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: white;
}

.badge-disponibile {
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: white;
}

.badge-non-disponibile {
    background: var(--color-border);
    color: var(--color-text-tertiary);
}

.listino-item-content {
    display: none;
    padding: 0 1.5rem 1.5rem 1.5rem;
}

.listino-item.expanded .listino-item-content {
    display: block;
}

.listino-item-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.25rem;
    padding: 1.25rem;
    background: var(--color-background);
    border-radius: var(--border-radius-md);
    margin-bottom: 1.25rem;
}

.listino-detail {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.listino-detail-label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.listino-detail-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.listino-item-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
}

/* Toggle Switch Styles */
.toggle-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    font-weight: 500;
    color: var(--color-text-primary);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 52px;
    height: 28px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-border);
    transition: var(--transition-base);
    border-radius: 28px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: var(--transition-base);
    border-radius: 50%;
}

.toggle-switch input:checked+.toggle-slider {
    background-color: var(--color-primary);
}

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

.toggle-switch input:focus+.toggle-slider {
    box-shadow: 0 0 0 2px var(--color-primary-light);
}

.no-results {
    text-align: center;
    padding: 3rem;
    color: var(--color-text-tertiary);
    font-size: 1.125rem;
}

/* ============================================================================
   Loading States
   ============================================================================ */

.loading {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 3rem;
}

.spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================================================================
   Footer
   ============================================================================ */

footer {
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: 2rem 0;
    margin-top: 4rem;
}

footer p {
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
}

/* ============================================================================
   Responsive Design
   ============================================================================ */

@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 1rem;
        padding-top: 1rem;
        padding-bottom: 1rem;
    }

    header h1 {
        font-size: 1.25rem;
    }

    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    nav a {
        font-size: 0.875rem;
        padding: 0.5rem 0.75rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .dashboard-grid,
    .catamaran-grid {
        grid-template-columns: 1fr;
    }

    section {
        padding: 1.5rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .kb-test-form {
        flex-direction: column;
    }

    .kb-filters {
        flex-direction: column;
    }

    .test-metrics {
        flex-direction: column;
        gap: 1rem;
    }

    .modal-content {
        width: 95%;
        margin: 10% auto;
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .btn {
        width: 100%;
    }

    .form-actions {
        flex-direction: column;
    }

    .kb-entry-meta {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ============================================================================
   Utility Classes
   ============================================================================ */

.text-center {
    text-align: center;
}

.mt-1 {
    margin-top: 0.5rem;
}

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mt-4 {
    margin-top: 2rem;
}

.mb-1 {
    margin-bottom: 0.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-4 {
    margin-bottom: 2rem;
}

.hidden {
    display: none !important;
}

/* ============================================================================
   Notification System
   ============================================================================ */

.notification-container {
    position: fixed;
    top: calc(var(--header-height) + 1rem);
    right: 1rem;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    max-width: 400px;
    pointer-events: none;
}

.notification {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-lg);
    padding: 1rem;
    box-shadow: var(--shadow-xl);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    pointer-events: auto;
    animation: slideIn 0.3s ease-out;
    transition: all var(--transition-base);
}

.notification-content {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    flex: 1;
}

.notification-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    line-height: 1;
}

.notification-message {
    color: var(--color-text-primary);
    font-size: 0.9375rem;
    line-height: 1.5;
    font-weight: 500;
}

.notification-close {
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    width: 1.5rem;
    height: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
    flex-shrink: 0;
    line-height: 1;
}

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

/* Notification Types */
.notification-info {
    border-left: 4px solid var(--color-info);
    background: var(--color-info-bg);
}

.notification-success {
    border-left: 4px solid var(--color-success);
    background: var(--color-success-bg);
}

.notification-warning {
    border-left: 4px solid var(--color-warning);
    background: var(--color-warning-bg);
}

.notification-error {
    border-left: 4px solid var(--color-error);
    background: var(--color-error-bg);
}

/* Animations */
@keyframes slideIn {
    from {
        transform: translateX(calc(100% + 1rem));
        opacity: 0;
    }

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

.notification-fade-out {
    animation: fadeOut 0.3s ease-out forwards;
}

@keyframes fadeOut {
    from {
        opacity: 1;
        transform: translateX(0);
    }

    to {
        opacity: 0;
        transform: translateX(calc(100% + 1rem));
    }
}

/* Responsive */
@media (max-width: 768px) {
    .notification-container {
        left: 1rem;
        right: 1rem;
        max-width: none;
    }

    .notification {
        padding: 0.875rem;
    }

    .notification-message {
        font-size: 0.875rem;
    }
}

/* ============================================================================
   Print Styles
   ============================================================================ */

@media print {

    header,
    footer,
    .theme-toggle,
    .btn {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    section {
        box-shadow: none;
        border: 1px solid #ccc;
    }
}