/* Variables CSS para colores Montana */
:root {
    --montana-blue: #1e3a8a;
    --montana-light-blue: #3b82f6;
    --montana-cyan: #06b6d4;
    --montana-teal: #14b8a6;
    --montana-success: #10b981;
    --montana-warning: #f59e0b;
    --montana-danger: #ef4444;
    --montana-gray: #6b7280;
    --montana-light-gray: #f3f4f6;
    --montana-white: #ffffff;
    --montana-dark: #1f2937;
    
    --gradient-primary: linear-gradient(135deg, var(--montana-blue), var(--montana-light-blue));
    --gradient-water: linear-gradient(135deg, var(--montana-cyan), var(--montana-teal));
    --shadow-card: 0 4px 15px rgba(0,0,0,0.1);
    --shadow-floating: 0 8px 25px rgba(0,0,0,0.15);
}

/* Reset y estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--gradient-primary);
    min-height: 100vh;
    color: var(--montana-dark);
    overflow-x: hidden;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    color: white;
}

.loading-content {
    text-align: center;
    animation: fadeInUp 1s ease-out;
}

.water-drop {
    font-size: 4rem;
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
    color: var(--montana-cyan);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    margin: 1rem auto;
}

/* App Container */
.app-container {
    min-height: 100vh;
    background: linear-gradient(to bottom, var(--montana-light-blue), var(--montana-cyan));
}

/* Header */
.app-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem 0;
    box-shadow: var(--shadow-card);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.company-logo {
    height: 40px;
    width: auto;
    border-radius: 8px;
}

.app-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.app-subtitle {
    font-size: 0.8rem;
    opacity: 0.9;
}

/* Auth Section */
.auth-section {
    padding: 2rem 0;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
}

.auth-card {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    box-shadow: var(--shadow-floating);
    border: none;
}

.auth-icon {
    font-size: 3rem;
    color: var(--montana-light-blue);
    margin-bottom: 1rem;
}

.form-control-lg {
    border-radius: 12px;
    border: 2px solid #e5e7eb;
    padding: 0.75rem 1rem;
    font-size: 1.1rem;
    transition: all 0.3s ease;
}

.form-control-lg:focus {
    border-color: var(--montana-light-blue);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-floating);
}

/* Welcome Header */
.welcome-header {
    background: rgba(255,255,255,0.95);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-card);
}

/* Products Section */
.products-section {
    padding: 1rem 0 2rem;
}

.product-card {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    border: none;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-floating);
}

.product-icon {
    font-size: 2.5rem;
    color: var(--montana-cyan);
    margin-bottom: 1rem;
}

.product-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--montana-dark);
    margin-bottom: 0.5rem;
}

.product-price {
    font-size: 1.1rem;
    color: var(--montana-success);
    font-weight: bold;
    margin-bottom: 1rem;
}

.quantity-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.quantity-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--montana-light-blue);
    background: white;
    color: var(--montana-light-blue);
    font-weight: bold;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.quantity-btn:hover {
    background: var(--montana-light-blue);
    color: white;
    transform: scale(1.1);
}

.quantity-input {
    width: 60px;
    text-align: center;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-weight: bold;
    font-size: 1.1rem;
}

.quantity-input:focus {
    border-color: var(--montana-light-blue);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

/* Order Summary */
.order-summary {
    margin-top: 2rem;
    animation: slideInUp 0.5s ease-out;
}

.order-summary .card {
    border-radius: 16px;
    border: none;
    box-shadow: var(--shadow-floating);
    background: white;
}

.summary-item {
    display: flex;
    justify-content: between;
    align-items: center;
    padding: 0.5rem 0;
}

.btn-success {
    background: var(--gradient-water);
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-floating);
}

/* History Section */
.history-section {
    padding: 1rem 0;
    min-height: calc(100vh - 80px);
}

.order-history-card {
    background: white;
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow-card);
    transition: all 0.3s ease;
    border-left: 4px solid var(--montana-cyan);
}

.order-history-card:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-floating);
}

.order-status {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-pendiente {
    background: rgba(251, 191, 36, 0.2);
    color: #d97706;
}

.status-asignado {
    background: rgba(59, 130, 246, 0.2);
    color: #2563eb;
}

.status-entregado {
    background: rgba(16, 185, 129, 0.2);
    color: #059669;
}

.status-cancelado {
    background: rgba(239, 68, 68, 0.2);
    color: #dc2626;
}

/* Date Filter */
.date-filter {
    background: rgba(255,255,255,0.95);
    padding: 1rem;
    border-radius: 12px;
    box-shadow: var(--shadow-card);
}

/* Side Menu */
.side-menu {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background: white;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
    transition: right 0.3s ease;
    z-index: 2000;
}

.side-menu.active {
    right: 0;
}

.side-menu-content {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.side-menu-header {
    background: var(--gradient-primary);
    color: white;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.side-menu-body {
    flex: 1;
    padding: 1rem;
}

.side-menu-item {
    display: block;
    padding: 0.75rem;
    color: var(--montana-dark);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.side-menu-item:hover {
    background: var(--montana-light-gray);
    color: var(--montana-light-blue);
    transform: translateX(5px);
}

.company-info {
    background: var(--montana-light-gray);
    padding: 1rem;
    border-radius: 8px;
    margin: 1rem 0;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes bounce {
    0%, 20%, 53%, 80%, 100% {
        transform: translate3d(0,0,0);
    }
    40%, 43% {
        transform: translate3d(0,-30px,0);
    }
    70% {
        transform: translate3d(0,-15px,0);
    }
    90% {
        transform: translate3d(0,-4px,0);
    }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .app-title {
        font-size: 1.2rem;
    }
    
    .app-subtitle {
        font-size: 0.7rem;
    }
    
    .auth-card {
        margin: 1rem;
        padding: 1.5rem;
    }
    
    .product-card {
        margin-bottom: 0.75rem;
        padding: 1rem;
    }
    
    .side-menu {
        width: 280px;
        right: -280px;
    }
}

/* Utility Classes */
.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.fade-in {
    animation: fadeInUp 0.6s ease-out;
}

.slide-up {
    animation: slideInUp 0.5s ease-out;
}

/* Form Enhancements */
.form-label {
    font-weight: 600;
    color: var(--montana-dark);
    margin-bottom: 0.5rem;
}

.form-control {
    border-radius: 8px;
    border: 1px solid #d1d5db;
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--montana-light-blue);
    box-shadow: 0 0 0 0.2rem rgba(59, 130, 246, 0.25);
}

/* Button Enhancements */
.btn {
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-primary {
    border-color: var(--montana-light-blue);
    color: var(--montana-light-blue);
}

.btn-outline-primary:hover {
    background: var(--montana-light-blue);
    border-color: var(--montana-light-blue);
}

.btn-outline-secondary {
    border-color: var(--montana-gray);
    color: var(--montana-gray);
}

.btn-outline-secondary:hover {
    background: var(--montana-gray);
    border-color: var(--montana-gray);
}

/* Loading States */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid var(--montana-light-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}