/* ================================
   DESCENSO DEL NALÓN - DESIGN SYSTEM
   ================================ */

:root {
    /* Color Palette - Ocean/River inspired */
    --primary-50: #e6f7ff;
    --primary-100: #b3e5fc;
    --primary-200: #81d4fa;
    --primary-300: #4fc3f7;
    --primary-400: #29b6f6;
    --primary-500: #039be5;
    --primary-600: #0288d1;
    --primary-700: #0277bd;
    --primary-800: #01579b;
    --primary-900: #003c6e;

    --accent-400: #ffd54f;
    --accent-500: #ffca28;
    --accent-600: #ffb300;

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;

    /* Dark Theme */
    --bg-primary: #0a0e17;
    --bg-secondary: #111827;
    --bg-card: rgba(17, 24, 39, 0.7);
    --bg-card-hover: rgba(25, 35, 55, 0.85);
    --bg-glass: rgba(255, 255, 255, 0.05);
    --bg-glass-strong: rgba(255, 255, 255, 0.1);

    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;

    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.15);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #039be5, #00bcd4);
    --gradient-hero: linear-gradient(160deg, #0a0e17 0%, #0d1f3c 30%, #0a2a4a 60%, #0d1f3c 100%);
    --gradient-accent: linear-gradient(135deg, #ffca28, #ff9800);
    --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);

    /* Typography */
    --font-primary: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Radii */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 20px rgba(3, 155, 229, 0.3);
    --shadow-glow-accent: 0 0 20px rgba(255, 202, 40, 0.3);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

a {
    color: var(--primary-400);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-300);
}

img {
    max-width: 100%;
    height: auto;
}

h1, h2, h3, h4 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
}

/* ===== VIEW MANAGEMENT ===== */
.view {
    display: none;
    min-height: 100vh;
}

.view.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: var(--space-md) 0;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: var(--space-sm) 0;
    background: rgba(10, 14, 23, 0.95);
}

.navbar-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-lg);
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 1.25rem;
    text-decoration: none;
}

.logo-icon {
    font-size: 1.5rem;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.nav-link {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-primary);
    background: var(--bg-glass);
}

.navbar-auth {
    display: flex;
    gap: var(--space-sm);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
}

.menu-toggle:hover {
    background: var(--bg-glass);
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
        margin-left: auto;
    }
    
    .navbar-container {
        flex-wrap: wrap;
    }
    
    .navbar-links {
        display: none;
        flex-direction: column;
        width: 100%;
        order: 3;
        margin-top: var(--space-md);
        gap: var(--space-xs);
    }
    
    .navbar-auth {
        display: none;
        width: 100%;
        order: 4;
        justify-content: center;
        margin-top: var(--space-sm);
    }
    
    .navbar-container.menu-open .navbar-links,
    .navbar-container.menu-open .navbar-auth {
        display: flex;
    }
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.6rem 1.25rem;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-1px);
}

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

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    box-shadow: 0 0 30px rgba(3, 155, 229, 0.5);
}

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

.btn-outline:hover {
    background: var(--bg-glass);
    border-color: var(--primary-400);
}

.btn-glass {
    background: var(--bg-glass-strong);
    color: var(--text-primary);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-hover);
}

.btn-glass:hover {
    background: rgba(255,255,255,0.15);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

.btn-lg {
    padding: 0.85rem 1.75rem;
    font-size: 1rem;
}

.btn-full {
    width: 100%;
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.015'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-particles {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-xl);
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 0.4rem 1.2rem;
    background: var(--bg-glass-strong);
    border: 1px solid var(--border-hover);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    color: var(--accent-400);
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(10px);
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    margin-bottom: var(--space-lg);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 550px;
    margin: 0 auto var(--space-xl);
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-3xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
    justify-content: center;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ===== SECTIONS ===== */
.section {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-3xl) var(--space-xl);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-title {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* ===== GLASS CARD ===== */
.glass-card {
    background: var(--gradient-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    transition: all var(--transition-base);
}

.glass-card:hover {
    border-color: var(--border-hover);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--space-xs);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-group select option {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(3, 155, 229, 0.15);
}

.form-group input::placeholder {
    color: var(--text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

.form-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
    margin-top: var(--space-lg);
}

.form-error {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    border-radius: var(--radius-sm);
    color: #fca5a5;
    font-size: 0.9rem;
}

.form-success {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: var(--radius-sm);
    color: #6ee7b7;
    font-size: 0.9rem;
}

.hidden {
    display: none !important;
}

/* ===== AUTH ===== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
    background: var(--gradient-hero);
}

.auth-card {
    max-width: 440px;
    width: 100%;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.auth-icon {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--space-md);
}

.auth-header h2 {
    font-size: 1.75rem;
    margin-bottom: var(--space-xs);
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.auth-footer {
    margin-top: var(--space-xl);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.auth-footer p {
    margin-bottom: var(--space-sm);
}

/* ===== FILE UPLOAD ===== */
.file-upload {
    position: relative;
    border: 2px dashed var(--border-hover);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
}

.file-upload:hover {
    border-color: var(--primary-400);
    background: rgba(3, 155, 229, 0.05);
}

.file-upload input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-upload-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: var(--space-sm);
}

.file-upload-content p {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.file-upload-preview {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.file-upload-preview img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 2px solid var(--border-color);
}

/* ===== BADGE ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.7rem;
    background: var(--bg-glass-strong);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-300);
}

.badge-capitan {
    background: rgba(255, 202, 40, 0.15);
    border-color: rgba(255, 202, 40, 0.3);
    color: var(--accent-400);
}

.badge-almirante {
    background: rgba(239, 68, 68, 0.15);
    border-color: rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

/* ===== LOADING ===== */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-3xl);
}

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-400);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ===== MODAL ===== */
.modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xl);
}

.modal.hidden {
    display: none;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(5px);
}

.modal-content {
    position: relative;
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-glass-strong);
    color: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255,255,255,0.2);
}

.modal-boat-header {
    display: flex;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
    align-items: center;
}

.modal-boat-header img {
    width: 120px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.modal-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: var(--space-md);
}

.modal-gallery img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-base);
}

.modal-gallery img:hover {
    transform: scale(1.05);
}

/* ===== TOAST ===== */
.toast-container {
    position: fixed;
    top: 80px;
    right: var(--space-xl);
    z-index: 300;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.toast {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: white;
    animation: toastIn 0.3s ease, toastOut 0.3s ease 3s forwards;
    box-shadow: var(--shadow-lg);
    min-width: 280px;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--info); }

@keyframes toastIn {
    from { opacity: 0; transform: translateX(100%); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
    from { opacity: 1; }
    to { opacity: 0; transform: translateX(100%); }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .navbar-container {
        padding: 0 var(--space-md);
    }

    .logo-text {
        display: none;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-stats {
        gap: var(--space-lg);
    }

    .stat-number {
        font-size: 1.8rem;
    }

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

    .btn-lg {
        width: 100%;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .section {
        padding: var(--space-2xl) var(--space-md);
    }

    .modal-boat-header {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .navbar-auth .btn {
        padding: 0.4rem 0.8rem;
        font-size: 0.8rem;
    }
}

/* ===== NEW ADDITIONS ===== */
.lightbox-content {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    text-align: center;
    backdrop-filter: none !important;
    max-width: 90vw !important;
}

.lightbox-content .modal-close {
    background: rgba(255,255,255,0.2) !important;
}

.lightbox-content img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
}

.clickable-image {
    cursor: zoom-in;
}

.file-upload-preview-item {
    position: relative;
    display: inline-block;
}

.file-upload-remove {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--danger);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.3);
    transition: all var(--transition-fast);
}

.file-upload-remove:hover {
    transform: scale(1.1);
    background: #dc2626;
}

/* === SCORING UI === */
.scoring-layout {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

@media (min-width: 900px) {
    .scoring-layout {
        flex-direction: row;
        align-items: flex-start;
    }
    .scoring-gallery-panel {
        width: 350px;
        position: sticky;
        top: 0;
        flex-shrink: 0;
        padding: var(--space-md);
    }
    .scoring-form-panel {
        flex: 1;
    }
}

.scoring-gallery-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.scoring-gallery-grid img {
    width: 100%;
    border-radius: var(--radius-sm);
    object-fit: contain;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
}

.help-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: -4px;
    margin-bottom: 8px;
    font-style: italic;
}

.rating-group {
    display: flex;
    gap: 8px;
    margin-top: 8px;
}

.rating-group input[type="radio"] {
    display: none;
}

.rating-group label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    border-radius: var(--radius-md);
    background: var(--bg-glass);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.rating-group label:hover {
    background: var(--surface-light);
    border-color: var(--accent-400);
}

.rating-group input[type="radio"]:checked + label {
    background: var(--accent-500);
    color: white;
    border-color: var(--accent-400);
    box-shadow: 0 0 15px rgba(3, 155, 229, 0.4);
    transform: scale(1.05);
}

/* ===== HINTS & FEEDBACK ===== */
.hint-text {
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    color: var(--success);
    font-weight: 500;
    transition: opacity var(--transition-base);
    font-style: italic;
}

.hint-text.hidden {
    display: none;
}