/* ========================================
   EXPLORADOR CHILENO - Estilos Principales
   Diseño moderno y amigable para niños
   ======================================== */

/* Variables CSS */
:root {
    /* Colores primarios - HSL para mejor armonía */
    --color-primary: hsl(145, 50%, 36%);
    /* Verde bosque */
    --color-primary-light: hsl(145, 50%, 46%);
    --color-primary-dark: hsl(145, 50%, 20%);

    --color-secondary: hsl(16, 100%, 61%);
    /* Naranja cálido */
    --color-secondary-light: hsl(16, 100%, 68%);

    --color-accent: hsl(48, 100%, 62%);
    /* Amarillo sol */
    --color-accent-light: hsl(48, 100%, 70%);

    /* Colores de fondo */
    --bg-gradient-start: hsl(128, 33%, 94%);
    --bg-gradient-end: hsl(128, 33%, 85%);
    --bg-card: hsla(0, 0%, 100%, 0.7);
    /* Para glassmorphism */
    --glass-border: hsla(0, 0%, 100%, 0.4);

    /* Colores de texto */
    --text-primary: hsl(240, 30%, 15%);
    --text-secondary: hsl(240, 20%, 35%);
    --text-light: hsl(0, 0%, 100%);

    /* Colores de estado */
    --color-success: hsl(122, 39%, 49%);
    --color-warning: hsl(45, 100%, 51%);
    --color-danger: hsl(1, 77%, 55%);
    --color-info: hsl(207, 90%, 54%);

    /* Conservación */
    --color-extinct: #2c3e50;
    --color-endangered: #e74c3c;
    --color-vulnerable: #e67e22;
    --color-least-concern: #27ae60;

    /* Sombras Glass */
    --shadow-soft: 0 8px 32px 0 rgba(31, 38, 135, 0.07);
    --shadow-medium: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    --shadow-strong: 0 12px 40px 0 rgba(31, 38, 135, 0.25);

    /* Bordes */
    --border-radius-sm: 12px;
    --border-radius-md: 20px;
    --border-radius-lg: 30px;
    --border-radius-full: 999px;

    /* Transiciones */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-medium: 0.4s cubic-bezier(0.4, 0, 0.2, 1);

    --font-family: 'Nunito', 'Segoe UI', sans-serif;
    --font-size-base: 16px;
}

/* Reset y Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    min-height: 100vh;
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Animación de fondo con patrones de naturaleza */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 80%, rgba(46, 139, 87, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 217, 61, 0.08) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

/* Contenedor Principal */
.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    text-align: center;
    padding: 30px 20px;
    animation: fadeInDown 0.8s ease;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    margin-bottom: 10px;
}

.logo-icon {
    font-size: 3rem;
    animation: bounce 2s infinite;
}

.logo h1 {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
}

.header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-top: 5px;
}

/* Marcador Global de Puntos */
.total-points-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
    animation: bounceIn 1s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.total-points-badge {
    display: flex;
    align-items: center;
    gap: 15px;
    background: linear-gradient(135deg, var(--text-primary) 0%, #2c3e50 100%);
    padding: 10px 25px;
    border-radius: var(--border-radius-full);
    border: 3px solid var(--color-accent);
    box-shadow: 0 0 20px rgba(255, 217, 61, 0.3);
    transition: all var(--transition-medium);
}

.total-points-badge .points-icon {
    font-size: 1.8rem;
    filter: drop-shadow(0 0 5px rgba(255, 217, 61, 0.5));
}

.total-points-badge .points-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.total-points-badge .points-label {
    font-size: 0.7rem;
    font-weight: 800;
    letter-spacing: 1.5px;
    color: var(--color-accent);
    opacity: 0.9;
}

.total-points-badge .points-total-value {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--text-light);
    line-height: 1;
}

.total-points-badge.pop {
    animation: score-pop 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes score-pop {
    0% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.15);
        filter: brightness(1.2);
    }

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

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }

    50% {
        opacity: 1;
        transform: scale(1.05);
    }

    70% {
        transform: scale(0.9);
    }

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

/* Selector de Tipo */
.type-selector {
    display: flex;
    gap: 15px;
    justify-content: center;
    margin: 25px 0;
    flex-wrap: wrap;
}

.type-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 30px;
    border: 3px solid transparent;
    border-radius: var(--border-radius-lg);
    background: var(--bg-card);
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-medium);
    box-shadow: var(--shadow-soft);
}

.type-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.type-btn.active {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--text-light);
}

.type-btn.active.planta {
    border-color: var(--color-secondary);
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
}

.type-btn.active.ave {
    border-color: var(--color-info);
    background: linear-gradient(135deg, var(--color-info) 0%, #42A5F5 100%);
}

.type-btn.active.animal {
    border-color: #A0522D;
    /* Sienna */
    background: linear-gradient(135deg, #A0522D 0%, #CD853F 100%);
}

.type-btn-icon {
    font-size: 1.5rem;
}

/* Selector de Modo */
.mode-selector {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin: 15px 0 25px;
    flex-wrap: wrap;
}

.mode-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 25px;
    border: 2px solid var(--bg-gradient-end);
    border-radius: var(--border-radius-md);
    background: var(--bg-card);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-medium);
}

.mode-btn:hover {
    border-color: var(--color-primary-light);
    background: rgba(46, 139, 87, 0.05);
}

.mode-btn.active {
    border-color: var(--color-primary);
    background: rgba(46, 139, 87, 0.1);
    color: var(--color-primary-dark);
}

/* Zona de Búsqueda */
.search-zone {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-medium);
    margin: 20px 0;
    border: 3px solid var(--color-info);
    animation: fadeInUp 0.8s ease;
}

.search-icon {
    font-size: 4rem;
    margin-bottom: 20px;
}

.search-zone h2 {
    font-size: 1.5rem;
    color: var(--color-info);
    margin-bottom: 10px;
}

.search-zone p {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.search-input-container {
    display: flex;
    gap: 10px;
    max-width: 500px;
    margin: 0 auto 20px;
}

.search-input {
    flex: 1;
    padding: 15px 20px;
    border: 2px solid var(--bg-gradient-end);
    border-radius: var(--border-radius-md);
    font-size: 1.1rem;
    font-family: var(--font-family);
    color: var(--text-primary);
    transition: all var(--transition-medium);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-info);
    box-shadow: 0 0 0 4px rgba(33, 150, 243, 0.2);
}

.search-input::placeholder {
    color: #999;
}

.voice-btn {
    width: 55px;
    height: 55px;
    border: none;
    border-radius: var(--border-radius-full);
    background: linear-gradient(135deg, #E53935 0%, #EF5350 100%);
    cursor: pointer;
    font-size: 1.5rem;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 15px rgba(229, 57, 53, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}

.voice-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(229, 57, 53, 0.5);
}

.voice-btn.listening {
    animation: pulse-voice 1s infinite;
    background: linear-gradient(135deg, #4CAF50 0%, #66BB6A 100%);
    box-shadow: 0 4px 15px rgba(76, 175, 80, 0.5);
}

@keyframes pulse-voice {

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

    50% {
        transform: scale(1.15);
    }
}

.search-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 40px;
    background: linear-gradient(135deg, var(--color-info) 0%, #42A5F5 100%);
    color: var(--text-light);
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.4);
}

.search-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.5);
}

.search-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.voice-status {
    margin-top: 15px;
    font-size: 0.95rem;
    color: var(--color-info);
    min-height: 1.5em;
}

/* Zona de Upload */
.upload-zone {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-medium);
    margin: 20px 0;
    border: 3px dashed var(--color-primary-light);
    transition: all var(--transition-medium);
    cursor: pointer;
    animation: fadeInUp 0.8s ease;
}

.upload-zone:hover {
    border-color: var(--color-primary);
    transform: scale(1.02);
    box-shadow: var(--shadow-strong);
}

.upload-zone.dragover {
    background: rgba(46, 139, 87, 0.1);
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.upload-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    animation: pulse 2s infinite;
}

.upload-zone h2 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 10px;
}

.upload-zone p {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 40px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--text-light);
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: 1.2rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 15px rgba(46, 139, 87, 0.4);
}

.upload-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(46, 139, 87, 0.5);
}

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

/* Preview de Imagen */
.preview-container {
    display: none;
    margin: 20px 0;
    animation: fadeIn 0.5s ease;
}

.preview-container.active {
    display: block;
}

.preview-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-medium);
    text-align: center;
}

.preview-image {
    max-width: 100%;
    max-height: 300px;
    border-radius: var(--border-radius-sm);
    object-fit: contain;
    margin-bottom: 20px;
}

.analyze-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 18px 50px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
    color: var(--text-light);
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: 1.3rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.4);
}

.analyze-btn:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.5);
}

.analyze-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Loader */
.loader-container {
    display: none;
    text-align: center;
    padding: 40px;
    animation: fadeIn 0.3s ease;
}

.loader-container.active {
    display: block;
}

.loader {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    border: 5px solid var(--bg-gradient-end);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

.loader-text {
    font-size: 1.2rem;
    color: var(--text-secondary);
    animation: pulse 1.5s infinite;
}

/* Resultados */
.result-container {
    display: none;
    margin: 20px 0;
    animation: fadeInUp 0.8s ease;
}

.result-container.active {
    display: block;
}

.result-card {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-md);
    padding: 30px;
    box-shadow: var(--shadow-strong);
    overflow: hidden;
    transition: transform var(--transition-medium);
}

.result-card:hover {
    transform: translateY(-5px);
}

.result-badges {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 20px;
}

.badge-section {
    padding: 15px !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.badge-section h3 {
    margin-bottom: 8px !important;
    font-size: 0.9rem !important;
}

.conservation-tag {
    display: inline-flex;
    align-items: center;
    padding: 8px 15px;
    border-radius: var(--border-radius-full);
    font-weight: 800;
    font-size: 0.85rem;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.conservation-tag.extinto {
    background-color: var(--color-extinct);
}

.conservation-tag.peligro {
    background-color: var(--color-endangered);
}

.conservation-tag.vulnerable {
    background-color: var(--color-vulnerable);
}

.conservation-tag.preocupacion {
    background-color: var(--color-least-concern);
}

.conservation-tag.normal {
    background-color: var(--color-info);
}

/* Imagen de la especie */
.result-image-container {
    margin: -30px -30px 25px -30px;
    background: linear-gradient(135deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
    padding: 20px;
    text-align: center;
}

.result-species-image {
    max-width: 100%;
    max-height: 280px;
    object-fit: contain;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-medium);
    background: white;
}

.result-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding-bottom: 20px;
    border-bottom: 2px solid var(--bg-gradient-end);
}

.result-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    flex-shrink: 0;
}

.result-title h2 {
    font-size: 1.8rem;
    color: var(--color-primary-dark);
    margin-bottom: 5px;
}

.result-title .scientific-name {
    font-style: italic;
    color: var(--text-secondary);
    font-size: 1rem;
}

.result-body {
    display: grid;
    gap: 20px;
}

.result-section {
    background: var(--bg-gradient-start);
    padding: 20px;
    border-radius: var(--border-radius-sm);
}

.result-section h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    color: var(--color-primary-dark);
    margin-bottom: 10px;
}

.result-section p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Indicador de Peligrosidad */
.danger-indicator {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: var(--border-radius-lg);
    font-weight: 700;
    font-size: 0.95rem;
}

.danger-indicator.baja {
    background: rgba(76, 175, 80, 0.2);
    color: var(--color-success);
}

.danger-indicator.media {
    background: rgba(255, 193, 7, 0.2);
    color: #F57C00;
}

.danger-indicator.alta {
    background: rgba(229, 57, 53, 0.2);
    color: var(--color-danger);
}

/* Puntos */
.points-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
    padding: 20px;
    border-radius: var(--border-radius-sm);
    margin-top: 20px;
}

.points-badge .points-icon {
    font-size: 2rem;
}

.points-badge .points-value {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-primary);
}

.points-badge .points-label {
    font-size: 1rem;
    color: var(--text-secondary);
}

/* Botón Nueva Búsqueda */
.new-search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 18px;
    margin-top: 25px;
    background: linear-gradient(135deg, var(--color-info) 0%, #42A5F5 100%);
    color: var(--text-light);
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.4);
}

.new-search-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(33, 150, 243, 0.5);
}

/* Error */
.error-container {
    display: none;
    background: rgba(229, 57, 53, 0.1);
    border: 2px solid var(--color-danger);
    border-radius: var(--border-radius-md);
    padding: 30px;
    text-align: center;
    margin: 20px 0;
    animation: shake 0.5s ease;
}

.error-container.active {
    display: block;
}

/* Modo Información (No Error) */
.error-container.info-mode {
    background: rgba(33, 150, 243, 0.1);
    border: 2px solid var(--color-primary);
    animation: slideInUp 0.5s ease;
}

.error-container.info-mode h3 {
    color: var(--color-primary-dark);
}

.error-container.info-mode .error-icon {
    filter: none;
}

.error-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.error-container h3 {
    color: var(--color-danger);
    margin-bottom: 10px;
}

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

/* Footer */
.footer {
    margin-top: auto;
    padding: 30px 20px;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
}

.footer a:hover {
    text-decoration: underline;
}

/* Animaciones */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }

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

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-15px);
    }

    60% {
        transform: translateY(-7px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.6;
    }
}

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

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-5px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(5px);
    }
}

/* Responsive */
@media (max-width: 600px) {
    .logo h1 {
        font-size: 1.8rem;
    }

    .logo-icon {
        font-size: 2.5rem;
    }

    .type-selector {
        flex-direction: column;
    }

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

    .upload-zone {
        padding: 30px 20px;
    }

    .upload-icon {
        font-size: 3rem;
    }

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

    .result-title h2 {
        font-size: 1.5rem;
    }

    .points-badge {
        flex-direction: column;
        gap: 5px;
    }
}

/* Input file oculto */
#file-input {
    display: none;
}

/* Accesibilidad */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus visible para accesibilidad */
button:focus-visible,
.type-btn:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
}

/* ========================================
   MODO OSCURO - Dark Theme
   ======================================== */

/* Toggle Button de Tema */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: var(--border-radius-full);
    background: var(--bg-card);
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-medium);
}

.theme-toggle:hover {
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* Botón de Usuario */
.user-btn {
    position: fixed;
    top: 25px;
    left: 25px;
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: var(--bg-card);
    border: 2px solid var(--color-primary-light);
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    box-shadow: var(--shadow-soft);
    transition: all var(--transition-medium);
    color: var(--text-primary);
    font-weight: 700;
}

.user-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
    border-color: var(--color-primary);
}

.user-icon {
    font-size: 1.2rem;
}

.user-btn.logged-in {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    border-color: white;
}

.theme-toggle .icon-sun {
    display: none;
}

.theme-toggle .icon-moon {
    display: block;
}

/* Variables del tema oscuro */
.dark-theme {
    /* Colores de fondo oscuros */
    --bg-gradient-start: #1a1a2e;
    --bg-gradient-end: #16213e;
    --bg-card: rgba(30, 30, 50, 0.95);

    /* Colores de texto para tema oscuro */
    --text-primary: #E8E8E8;
    --text-secondary: #B0B0C0;

    /* Ajustes de sombras para tema oscuro */
    --shadow-soft: 0 4px 15px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-strong: 0 15px 50px rgba(0, 0, 0, 0.5);
}

/* Mostrar sol en tema oscuro */
.dark-theme .theme-toggle .icon-sun {
    display: block;
}

.dark-theme .theme-toggle .icon-moon {
    display: none;
}

/* Ajustes específicos para tema oscuro */
.dark-theme body::before {
    background-image:
        radial-gradient(circle at 20% 80%, rgba(46, 139, 87, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.12) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 217, 61, 0.1) 0%, transparent 40%);
}

.dark-theme .search-input {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
}

.dark-theme .search-input::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.dark-theme .search-input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-info);
}

.dark-theme .type-btn {
    background: var(--bg-card);
    color: var(--text-secondary);
}

.dark-theme .type-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.dark-theme .mode-btn {
    background: var(--bg-card);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.dark-theme .mode-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-primary-light);
}

.dark-theme .mode-btn.active {
    background: rgba(46, 139, 87, 0.2);
    border-color: var(--color-primary);
    color: var(--color-primary-light);
}

.dark-theme .upload-zone {
    border-color: var(--color-primary);
    background: var(--bg-card);
}

.dark-theme .search-zone {
    background: var(--bg-card);
}

.dark-theme .result-section {
    background: rgba(255, 255, 255, 0.05);
}

.dark-theme .result-image-container {
    background: linear-gradient(135deg, rgba(46, 139, 87, 0.2) 0%, rgba(22, 33, 62, 0.9) 100%);
}

.dark-theme .result-species-image {
    background: var(--bg-card);
}

.dark-theme .loader {
    border-color: rgba(255, 255, 255, 0.2);
    border-top-color: var(--color-primary);
}

.dark-theme .error-container {
    background: rgba(229, 57, 53, 0.15);
}

.dark-theme .points-badge {
    background: linear-gradient(135deg, rgba(255, 217, 61, 0.3) 0%, rgba(255, 229, 102, 0.2) 100%);
}

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

/* Transición suave al cambiar de tema */
body,
.bg-card,
.type-btn,
.mode-btn,
.upload-zone,
.search-zone,
.result-card,
.result-section,
.search-input {
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* ========================================
   HISTORIAL DE BÚSQUEDAS
   ======================================== */

.history-section {
    margin-top: 20px;
}

.history-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    background: var(--bg-card);
    border: 2px solid var(--bg-gradient-end);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-secondary);
    transition: all var(--transition-medium);
}

.history-toggle:hover {
    border-color: var(--color-primary-light);
    color: var(--color-primary);
}

.history-toggle.active {
    border-color: var(--color-primary);
    background: rgba(46, 139, 87, 0.1);
    color: var(--color-primary);
}

.history-container {
    display: none;
    margin-top: 15px;
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-soft);
    animation: fadeIn 0.3s ease;
}

.history-container.active {
    display: block;
}

.history-empty {
    text-align: center;
    padding: 30px;
    color: var(--text-secondary);
}

.history-empty .history-empty-icon {
    font-size: 3rem;
    margin-bottom: 10px;
    opacity: 0.5;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-height: 400px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 12px;
    background: var(--bg-gradient-start);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.history-item:hover {
    background: rgba(46, 139, 87, 0.15);
    transform: translateX(5px);
}

.history-item-image {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    object-fit: cover;
    background: var(--bg-card);
}

.history-item-info {
    flex: 1;
}

.history-item-name {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.history-item-scientific {
    font-style: italic;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.history-item-date {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.history-item-type {
    font-size: 1.5rem;
}

.history-clear-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 10px;
    margin-top: 15px;
    background: rgba(229, 57, 53, 0.1);
    border: 1px solid rgba(229, 57, 53, 0.3);
    border-radius: var(--border-radius-sm);
    color: var(--color-danger);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.history-clear-btn:hover {
    background: rgba(229, 57, 53, 0.2);
    border-color: var(--color-danger);
}

.dark-theme .history-item {
    background: rgba(255, 255, 255, 0.05);
}

.dark-theme .history-item:hover {
    background: rgba(46, 139, 87, 0.2);
}

.dark-theme .history-toggle {
    background: var(--bg-card);
    border-color: rgba(255, 255, 255, 0.1);
}

/* ========================================
   MAPA DE DISTRIBUCIÓN
   ======================================== */

.map-section {
    margin-top: 20px;
    padding: 20px;
    background: var(--bg-gradient-start);
    border-radius: var(--border-radius-sm);
}

.map-section h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    color: var(--color-primary-dark);
    margin-bottom: 15px;
}

.chile-map-container {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}

.chile-map {
    width: 120px;
    flex-shrink: 0;
}

.chile-map svg {
    width: 100%;
    height: auto;
}

.chile-map svg path {
    fill: #E8F5E9;
    stroke: #2E8B57;
    stroke-width: 0.5;
    transition: all var(--transition-fast);
}

.chile-map svg path.region-active {
    fill: var(--color-primary);
    stroke: var(--color-primary-dark);
}

.chile-map svg path:hover {
    opacity: 0.8;
}

.regions-list {
    flex: 1;
    min-width: 200px;
}

.regions-list h4 {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.regions-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.region-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    background: var(--color-primary);
    color: var(--text-light);
    border-radius: var(--border-radius-lg);
    font-size: 0.85rem;
    font-weight: 600;
}

.region-tag::before {
    content: '📍';
    font-size: 0.8rem;
}

.dark-theme .map-section {
    background: rgba(255, 255, 255, 0.05);
}

.dark-theme .chile-map svg path {
    fill: rgba(46, 139, 87, 0.2);
    stroke: var(--color-primary-light);
}

.dark-theme .chile-map svg path.region-active {
    fill: var(--color-primary);
}

/* ========================================
   REPRODUCTOR DE SONIDO
   ======================================== */

.sound-section {
    margin-top: 20px;
    padding: 20px;
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1) 0%, rgba(66, 165, 245, 0.05) 100%);
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(33, 150, 243, 0.2);
}

.sound-section h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.1rem;
    color: var(--color-info);
    margin-bottom: 15px;
}

.sound-player {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
}

.sound-play-btn {
    width: 60px;
    height: 60px;
    border: none;
    border-radius: var(--border-radius-full);
    background: linear-gradient(135deg, var(--color-info) 0%, #42A5F5 100%);
    color: var(--text-light);
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-medium);
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.4);
}

.sound-play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(33, 150, 243, 0.5);
}

.sound-play-btn.playing {
    animation: pulse 1s infinite;
    background: linear-gradient(135deg, var(--color-success) 0%, #66BB6A 100%);
}

.sound-info {
    flex: 1;
}

.sound-name {
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.sound-source {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.sound-progress {
    width: 100%;
    height: 6px;
    background: var(--bg-gradient-end);
    border-radius: 3px;
    margin-top: 10px;
    overflow: hidden;
}

.sound-progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-info), var(--color-primary));
    border-radius: 3px;
    transition: width 0.1s linear;
}

.sound-unavailable {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-style: italic;
}

.dark-theme .sound-section {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.15) 0%, rgba(66, 165, 245, 0.08) 100%);
    border-color: rgba(33, 150, 243, 0.3);
}

.dark-theme .sound-player {
    background: rgba(255, 255, 255, 0.05);
}

/* ========================================
   PWA INSTALL PROMPT
   ======================================== */

.pwa-install-banner {
    display: none;
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    max-width: 400px;
    margin: 0 auto;
    padding: 20px;
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-strong);
    z-index: 1000;
    animation: fadeInUp 0.5s ease;
}

.pwa-install-banner.show {
    display: block;
}

.pwa-install-content {
    display: flex;
    align-items: center;
    gap: 15px;
}

.pwa-install-icon {
    font-size: 2.5rem;
}

.pwa-install-text {
    flex: 1;
}

.pwa-install-text h4 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 5px;
}

.pwa-install-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pwa-install-actions {
    display: flex;
    gap: 10px;
    margin-top: 15px;
}

.pwa-install-btn {
    flex: 1;
    padding: 10px 15px;
    border: none;
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pwa-install-btn.primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--text-light);
}

.pwa-install-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(46, 139, 87, 0.4);
}

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

.pwa-install-btn.secondary:hover {
    background: rgba(0, 0, 0, 0.05);
}

.dark-theme .pwa-install-banner {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* Responsive para nuevos componentes */
@media (max-width: 600px) {
    .theme-toggle {
        top: 10px;
        right: 10px;
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    .chile-map-container {
        flex-direction: column;
        align-items: center;
    }

    .chile-map {
        width: 100px;
    }

    .sound-player {
        flex-direction: column;
        text-align: center;
    }

    .pwa-install-banner {
        left: 10px;
        right: 10px;
        bottom: 10px;
    }
}

/* ========================================
   MODAL DE USUARIO
   ======================================== */
.user-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(5px);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.user-modal.active {
    display: flex;
    animation: fadeIn 0.3s ease;
}

.user-modal-content {
    background: var(--bg-card);
    width: 100%;
    max-width: 450px;
    border-radius: var(--border-radius-md);
    padding: 40px;
    position: relative;
    box-shadow: var(--shadow-strong);
    animation: slideInUp 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.user-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-secondary);
}

.user-modal-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    background: var(--bg-gradient-start);
    padding: 5px;
    border-radius: var(--border-radius-md);
}

.auth-tab {
    flex: 1;
    padding: 10px;
    border: none;
    background: none;
    cursor: pointer;
    font-weight: 700;
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.auth-tab.active {
    background: white;
    color: var(--color-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

.auth-form h3 {
    color: var(--color-primary-dark);
    margin-bottom: 10px;
}

.auth-form p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 15px;
    text-align: left;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--text-primary);
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid var(--bg-gradient-end);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-family);
    transition: all 0.3s ease;
}

.form-group input:focus {
    border-color: var(--color-primary);
    outline: none;
}

.auth-submit-btn {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    margin-top: 10px;
    box-shadow: 0 4px 15px rgba(46, 139, 87, 0.3);
}

/* Vista de Perfil */
.profile-header {
    text-align: center;
    margin-bottom: 30px;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 15px;
    box-shadow: 0 4px 15px rgba(255, 107, 53, 0.3);
}

.profile-rank {
    display: inline-block;
    padding: 5px 15px;
    background: var(--color-accent);
    color: var(--color-primary-dark);
    border-radius: var(--border-radius-full);
    font-size: 0.85rem;
    font-weight: 800;
    margin-top: 10px;
}

.profile-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-gradient-start);
    padding: 15px;
    border-radius: var(--border-radius-md);
    text-align: center;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--color-primary-dark);
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.logout-btn {
    width: 100%;
    padding: 12px;
    background: none;
    border: 2px solid var(--color-danger);
    color: var(--color-danger);
    border-radius: var(--border-radius-md);
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

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

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

@media (max-width: 600px) {
    .user-btn {
        top: 15px;
        left: 15px;
        padding: 8px 15px;
        font-size: 0.9rem;
    }
}

/* Rank Progress Bar */
.rank-progress-container {
    margin-top: 25px;
    padding: 20px;
    background: rgba(0, 0, 0, 0.05);
    border-radius: var(--border-radius-md);
}

.dark-theme .rank-progress-container {
    background: rgba(255, 255, 255, 0.05);
}

.rank-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.next-rank-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.next-rank-label strong {
    color: var(--color-primary);
}

.points-needed {
    font-size: 0.85rem;
    font-weight: 800;
    color: var(--color-primary);
}

.rank-progress-bar-bg {
    width: 100%;
    height: 12px;
    background: rgba(0, 0, 0, 0.1);
    border-radius: var(--border-radius-full);
    overflow: hidden;
}

.dark-theme .rank-progress-bar-bg {
    background: rgba(255, 255, 255, 0.1);
}

.rank-progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--border-radius-full);
    transition: width 1s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 0 10px rgba(46, 139, 87, 0.3);
}

/* Scrollbar personalizada */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-gradient-start);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: 10px;
    border: 3px solid var(--bg-gradient-start);
}

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