:root {
    /* Paleta de colores premium */
    --bg-primary: #0a0a0f;
    --bg-secondary: #0f0f1a;
    --bg-tertiary: #151520;
    --bg-quaternary: #1a1a2a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0c0;
    --text-tertiary: #606080;
    
    /* Colores de acento */
    --accent-primary: #6366f1;
    --accent-secondary: #8b5cf6;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    --accent-info: #3b82f6;
    
    /* Cyberpunk Neon Colors */
    --neon-cyan: #00f3ff;
    --neon-purple: #b000ff;
    --neon-pink: #ff006e;
    --neon-gold: #ffd700;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    --gradient-success: linear-gradient(135deg, #10b981 0%, #059669 100%);
    --gradient-danger: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    --metal-accent: linear-gradient(135deg, #00d4ff 0%, #7b2cbf 50%, #ff006e 100%);
    
    /* Efectos */
    --glass-bg: rgba(26, 26, 46, 0.95);
    --glass-border: rgba(99, 102, 241, 0.2);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-cyber: 0 0 20px rgba(0, 243, 255, 0.3);
    
    /* Espaciado móvil */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-2xl: 24px;
    
    /* Bordes */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
    
    /* Animaciones */
    --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    position: relative;
    touch-action: pan-x pan-y;
}

/* Cyberpunk Grid Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 243, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 243, 255, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
    animation: gridPulse 10s linear infinite;
}

/* Gradient overlay */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(99, 102, 241, 0.08) 0%, transparent 60%),
                radial-gradient(circle at 80% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

/* Cyber Orbs */
.cyber-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.2;
    pointer-events: none;
    z-index: 0;
    animation: orbFloat 20s ease-in-out infinite;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: var(--neon-cyan);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: var(--neon-purple);
    bottom: -150px;
    left: -150px;
    animation-delay: 5s;
}

.orb-3 {
    width: 300px;
    height: 300px;
    background: var(--neon-pink);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 10s;
}

/* Scanner Line */
.scanner-line {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--neon-cyan), transparent);
    animation: scanner 8s linear infinite;
    pointer-events: none;
    z-index: 1;
}

/* HUD Element */
.hud-element {
    position: fixed;
    bottom: 80px;
    right: 5px;
    font-family: 'Space Grotesk', monospace;
    font-size: 10px;
    color: var(--neon-cyan);
    background: rgba(0, 0, 0, 0.7);
    padding: 8px 16px;
    border-radius: 8px;
    border-left: 2px solid var(--neon-cyan);
    z-index: 1000;
    pointer-events: none;
    backdrop-filter: blur(5px);
    font-weight: 500;
    letter-spacing: 1px;
}

/* Screen */
.screen {
    position: relative;
    z-index: 1;
    display: none;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

.screen.active {
    display: flex;
    flex-direction: column;
}

/* Pantalla de desbloqueo - Mobile First */
.unlock-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-xl);
    position: relative;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    z-index: 2;
}

.logo {
    text-align: center;
    margin-bottom: 60px;
    animation: float 3s ease-in-out infinite;
}

.logo svg {
    width: 70px;
    height: 70px;
    margin-bottom: var(--spacing-lg);
    filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.5));
    stroke: url(#gradient);
}

.logo h1 {
    font-size: 2rem;
    background: var(--metal-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.unlock-form {
    width: 100%;
    max-width: 100%;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.unlock-form input {
    width: 100%;
    padding: 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 16px;
    transition: var(--transition-base);
    -webkit-appearance: none;
}

.unlock-form input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 0 3px rgba(0, 243, 255, 0.1);
}

/* Botones neon */
.btn-primary, .btn-secondary {
    padding: 14px;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    width: 100%;
    text-align: center;
    touch-action: manipulation;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--metal-accent);
    color: white;
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

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

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

.btn-secondary:hover {
    background: rgba(0, 243, 255, 0.1);
    box-shadow: var(--shadow-cyber);
}

.error-message {
    color: var(--accent-danger);
    font-size: 13px;
    text-align: center;
    padding: var(--spacing-sm);
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-md);
}

/* App principal móvil */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: relative;
}

/* Bottom Navigation para móvil - Cyber Style */
.sidebar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 243, 255, 0.2);
    display: flex;
    justify-content: space-around;
    padding: var(--spacing-sm) var(--spacing-lg);
    z-index: 100;
    animation: slideUpNav 0.3s ease;
}

.nav-header {
    display: none;
}

.nav-items {
    display: flex;
    justify-content: space-around;
    width: 100%;
    gap: var(--spacing-sm);
}

.nav-item {
    flex: 1;
    padding: 12px 0;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    text-align: center;
    font-size: 12px;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    touch-action: manipulation;
    position: relative;
    overflow: hidden;
}

.nav-item::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--metal-accent);
    transition: width 0.3s;
}

.nav-item.active::before {
    width: 60%;
}

.nav-item span:first-child {
    font-size: 24px;
}

.nav-item span:last-child {
    font-size: 11px;
}

.nav-item:active {
    transform: scale(0.95);
}

.nav-item.active {
    color: var(--neon-cyan);
    background: rgba(0, 243, 255, 0.1);
}

.content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-lg);
    padding-bottom: 80px;
    -webkit-overflow-scrolling: touch;
    z-index: 2;
}

.tab-content {
    display: none;
    animation: fadeInUp 0.3s ease;
}

.tab-content.active {
    display: block;
}

.tab-header {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.tab-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    background: var(--metal-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.actions {
    display: flex;
    gap: var(--spacing-sm);
}

.search-input {
    flex: 1;
    padding: 12px 16px;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-size: 15px;
    -webkit-appearance: none;
    transition: var(--transition-base);
}

.search-input:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: var(--shadow-cyber);
}

/* Layouts móvil */
.vault-list, .turns-list, .bills-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.vault-item, .turn-item, .bill-item {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    border: 1px solid var(--glass-border);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.vault-item::before, .turn-item::before, .bill-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 243, 255, 0.05), transparent);
    transition: left 0.5s;
}

.vault-item:hover::before, .turn-item:hover::before, .bill-item:hover::before {
    left: 100%;
}

.vault-item:hover, .turn-item:hover, .bill-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-cyber);
}

.vault-item:active, .turn-item:active, .bill-item:active {
    transform: scale(0.98);
}

.credential-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.copy-btn {
    padding: 8px 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 12px;
    touch-action: manipulation;
    transition: var(--transition-fast);
}

.copy-btn:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
}

/* Modal - CORREGIDO para que funcione */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    z-index: 10000;
    overflow-y: auto;
    padding: var(--spacing-xl);
}

.modal-content {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    min-height: auto;
    max-width: 500px;
    margin: 20px auto;
    animation: slideUpModal 0.3s ease;
    border: 1px solid rgba(0, 243, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.modal-content::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-purple), var(--neon-pink), var(--neon-cyan));
    background-size: 400%;
    z-index: -1;
    filter: blur(10px);
    opacity: 0.3;
    border-radius: var(--radius-xl);
}

.close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 10001;
}

.close:hover {
    border-color: var(--neon-cyan);
    color: var(--neon-cyan);
    transform: rotate(90deg);
}

/* Formularios dentro del modal */
.modal form {
    padding: var(--spacing-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-size: 13px;
    font-weight: 500;
    color: var(--neon-cyan);
    letter-spacing: 1px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 14px;
    transition: var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.2);
}

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

/* Toast personalizado */
.custom-toast {
    position: fixed;
    bottom: 80px;
    left: var(--spacing-lg);
    right: var(--spacing-lg);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    padding: 14px 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--neon-cyan);
    z-index: 2000;
    animation: slideUpToast 0.3s ease;
    text-align: center;
    font-weight: 500;
    box-shadow: var(--shadow-cyber);
    color: var(--neon-cyan);
}

/* Modal setup elegante */
.setup-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    z-index: 3000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl);
    animation: fadeIn 0.3s ease;
}

.setup-modal {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    max-width: 400px;
    width: 100%;
    border: 1px solid var(--neon-cyan);
    animation: scaleIn 0.3s ease;
    position: relative;
}

.setup-modal::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, var(--neon-cyan), var(--neon-purple));
    background-size: 400%;
    z-index: -1;
    filter: blur(15px);
    opacity: 0.3;
    border-radius: var(--radius-xl);
}

.setup-modal h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    text-align: center;
    background: var(--metal-accent);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.setup-modal input {
    width: 100%;
    padding: 14px;
    margin-bottom: var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 16px;
}

.setup-modal input:focus {
    border-color: var(--neon-cyan);
    outline: none;
}

.setup-modal button {
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* Calendar móvil */
.calendar-view {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
}

.calendar-grid {
    min-width: 500px;
}

.calendar-day {
    min-width: 60px;
    transition: var(--transition-base);
}

.calendar-day.has-turns {
    background: rgba(0, 243, 255, 0.2);
    border: 1px solid var(--neon-cyan);
}

.calendar-day.today {
    border: 2px solid var(--neon-pink);
    box-shadow: 0 0 15px rgba(255, 0, 110, 0.3);
}

/* Mejoras táctiles */
button, .nav-item, .copy-btn {
    cursor: pointer;
    touch-action: manipulation;
}

/* Scrollbar Cyber */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--neon-cyan), var(--neon-purple));
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--neon-pink);
}

/* Desktop */
@media (min-width: 768px) {
    .sidebar {
        position: relative;
        width: 280px;
        flex-direction: column;
        border-right: 1px solid var(--glass-border);
        border-top: none;
    }
    
    .nav-header {
        display: flex;
        padding: var(--spacing-xl);
        border-bottom: 1px solid var(--glass-border);
    }
    
    .nav-header h2 {
        background: var(--metal-accent);
        -webkit-background-clip: text;
        background-clip: text;
        color: transparent;
    }
    
    .nav-items {
        flex-direction: column;
        padding: var(--spacing-lg);
    }
    
    .nav-item {
        flex-direction: row;
        padding: 12px 16px;
        gap: 12px;
    }
    
    .nav-item span:first-child {
        font-size: 20px;
    }
    
    .nav-item span:last-child {
        font-size: 14px;
    }
    
    .content {
        padding-bottom: var(--spacing-lg);
    }
    
    .custom-toast {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
        bottom: var(--spacing-xl);
        min-width: 300px;
    }
    
    .vault-list, .turns-list, .bills-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    }
}

/* Cyberpunk Animations */
@keyframes gridPulse {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

@keyframes orbFloat {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(50px, -50px) scale(1.1); }
    50% { transform: translate(-50px, 100px) scale(0.9); }
    75% { transform: translate(50px, 50px) scale(1.05); }
}

@keyframes scanner {
    0% { top: 0; opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { top: 100%; opacity: 0; }
}

@keyframes slideUpNav {
    from { transform: translateY(100%); }
    to { transform: translateY(0); }
}

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

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

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Loading spinner cyber */
.cyber-spinner {
    width: 40px;
    height: 40px;
    border: 2px solid rgba(0, 243, 255, 0.2);
    border-top: 2px solid var(--neon-cyan);
    border-right: 2px solid var(--neon-purple);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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