/* Optimizaciones específicas para Android y dispositivos móviles */

/* Variables CSS para Android */
:root {
    --android-primary: #667eea;
    --android-secondary: #764ba2;
    --android-surface: #ffffff;
    --android-background: #f8fafc;
    --android-on-surface: #1f2937;
    --android-shadow: 0 2px 8px rgba(0,0,0,0.12);
    --android-radius: 12px;
    --android-spacing: 16px;
    --safe-area-top: env(safe-area-inset-top);
    --safe-area-bottom: env(safe-area-inset-bottom);
    --safe-area-left: env(safe-area-inset-left);
    --safe-area-right: env(safe-area-inset-right);
}

/* Optimizaciones para pantallas táctiles */
* {
    -webkit-tap-highlight-color: rgba(102, 126, 234, 0.2);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

/* Permitir selección de texto en elementos específicos */
input, textarea, .selectable {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
}

/* Optimizaciones para el viewport */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    touch-action: manipulation;
}

body {
    padding-top: var(--safe-area-top);
    padding-bottom: var(--safe-area-bottom);
    padding-left: var(--safe-area-left);
    padding-right: var(--safe-area-right);
    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
}

/* Optimizaciones para botones táctiles */
button, .btn, .nav-btn, .biometric-btn, .login-btn {
    min-height: 48px;
    min-width: 48px;
    touch-action: manipulation;
    -webkit-appearance: none;
    appearance: none;
    border-radius: var(--android-radius);
    transition: all 0.2s ease;
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(102, 126, 234, 0.3);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

button:active, .btn:active, .nav-btn:active, .login-btn:active {
    transform: scale(0.96);
    background-color: rgba(102, 126, 234, 0.1);
}

/* Optimizaciones específicas para botones de login */
.login-btn {
    min-height: 56px;
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 600;
    border: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.3s, height 0.3s;
}

.login-btn:active::before {
    width: 300px;
    height: 300px;
}

/* Optimizaciones para inputs */
input, textarea, select {
    min-height: 48px;
    font-size: 16px; /* Previene zoom en iOS */
    border-radius: var(--android-radius);
    -webkit-appearance: none;
    appearance: none;
    touch-action: manipulation;
}

input:focus, textarea:focus, select:focus {
    outline: 2px solid var(--android-primary);
    outline-offset: 2px;
}

/* Optimizaciones para navegación */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.nav-buttons {
    gap: 8px;
}

.nav-btn {
    padding: 8px 12px;
    font-size: 14px;
    white-space: nowrap;
}

/* Optimizaciones para cards y contenedores */
.profile-section, .card {
    margin-bottom: var(--android-spacing);
    border-radius: var(--android-radius);
    box-shadow: var(--android-shadow);
    overflow: hidden;
}

/* Optimizaciones para formularios */
.form-group {
    margin-bottom: var(--android-spacing);
}

.form-label {
    font-weight: 600;
    margin-bottom: 8px;
    display: block;
}

.form-input {
    width: 100%;
    padding: 12px var(--android-spacing);
    border: 2px solid #e5e7eb;
    border-radius: var(--android-radius);
    font-size: 16px;
    transition: border-color 0.2s ease;
}

.form-input:focus {
    border-color: var(--android-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Optimizaciones para biometría */
.biometric-section {
    background: var(--android-surface);
    border-radius: var(--android-radius);
    padding: var(--android-spacing);
    margin: var(--android-spacing) 0;
    box-shadow: var(--android-shadow);
}

.biometric-btn {
    width: 100%;
    padding: var(--android-spacing);
    background: linear-gradient(135deg, var(--android-primary) 0%, var(--android-secondary) 100%);
    color: white;
    border: none;
    border-radius: var(--android-radius);
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: var(--android-shadow);
}

.biometric-btn:active {
    transform: scale(0.98);
}

.biometric-icon {
    font-size: 24px;
}

.biometric-status {
    padding: var(--android-spacing);
    border-radius: var(--android-radius);
    text-align: center;
    font-weight: 500;
    margin: 12px 0;
}

/* Optimizaciones para pantallas pequeñas */
@media (max-width: 768px) {
    .container {
        padding: 8px;
        margin: 0;
    }
    
    .profile-content {
        grid-template-columns: 1fr;
        gap: var(--android-spacing);
    }
    
    .profile-header {
        flex-direction: column;
        text-align: center;
        padding: var(--android-spacing);
    }
    
    .profile-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .stat-item {
        padding: 12px;
    }
    
    .section-header {
        flex-direction: column;
        gap: 8px;
        align-items: stretch;
    }
    
    .edit-btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Optimizaciones para formularios en móvil */
    .day-schedule {
        flex-direction: column;
        gap: 8px;
    }
    
    .time-input {
        width: 100%;
    }
    
    /* Optimizaciones para chat en móvil */
    .chat-container {
        height: calc(100vh - 120px);
    }
    
    .chat-messages {
        padding: 8px;
    }
    
    .chat-input-container {
        padding: 8px;
        gap: 8px;
    }
}

/* Optimizaciones para pantallas muy pequeñas */
@media (max-width: 480px) {
    :root {
        --android-spacing: 12px;
        --android-radius: 8px;
    }
    
    .header {
        padding: 8px;
    }
    
    .logo {
        font-size: 18px;
    }
    
    .nav-btn {
        padding: 6px 8px;
        font-size: 12px;
    }
    
    .profile-section {
        padding: 12px;
    }
    
    .section-title {
        font-size: 18px;
    }
    
    .biometric-btn {
        padding: 12px;
        font-size: 14px;
    }
    
    .biometric-icon {
        font-size: 20px;
    }
}

/* Optimizaciones para modo landscape en móviles */
@media (max-height: 500px) and (orientation: landscape) {
    .profile-header {
        flex-direction: row;
        padding: 8px;
    }
    
    .profile-stats {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .profile-content {
        grid-template-columns: 1fr 1fr;
    }
}

/* Optimizaciones para dispositivos con notch */
@supports (padding: max(0px)) {
    .header {
        padding-top: max(12px, var(--safe-area-top));
        padding-left: max(12px, var(--safe-area-left));
        padding-right: max(12px, var(--safe-area-right));
    }
    
    .container {
        padding-left: max(8px, var(--safe-area-left));
        padding-right: max(8px, var(--safe-area-right));
        padding-bottom: max(8px, var(--safe-area-bottom));
    }
}

/* Optimizaciones para modo oscuro en Android */
@media (prefers-color-scheme: dark) {
    :root {
        --android-surface: #1f2937;
        --android-background: #111827;
        --android-on-surface: #f9fafb;
        --android-shadow: 0 2px 8px rgba(0,0,0,0.3);
    }
    
    body {
        background: var(--android-background);
        color: var(--android-on-surface);
    }
    
    .profile-section, .card {
        background: var(--android-surface);
        border: 1px solid #374151;
    }
    
    .form-input {
        background: var(--android-surface);
        border-color: #374151;
        color: var(--android-on-surface);
    }
    
    .biometric-status.available {
        background: rgba(34, 197, 94, 0.2);
        border-color: rgba(34, 197, 94, 0.3);
    }
    
    .biometric-status.unavailable {
        background: rgba(239, 68, 68, 0.2);
        border-color: rgba(239, 68, 68, 0.3);
    }
}

/* Animaciones optimizadas para móvil */
@media (prefers-reduced-motion: no-preference) {
    .biometric-btn {
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .form-input {
        transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .profile-section {
        transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    }
}

/* Optimizaciones para accesibilidad */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Optimizaciones para alto contraste */
@media (prefers-contrast: high) {
    .biometric-btn {
        border: 2px solid currentColor;
    }
    
    .form-input {
        border-width: 3px;
    }
    
    .biometric-status {
        border-width: 3px;
    }
}