/* EncontrarNow Main Stylesheet */

/* ================================
   Custom Properties (CSS Variables)
   ================================ */
:root {
    --primary-color: #007bff;
    --primary-dark: #0056b3;
    --primary-light: #66b3ff;
    
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;
    
    --dark-color: #343a40;
    --light-color: #f8f9fa;
    --white: #ffffff;
    --black: #000000;
    
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 1rem;
    --line-height-base: 1.5;
    
    --border-radius: 0.375rem;
    --border-radius-lg: 0.5rem;
    --border-radius-sm: 0.25rem;
    
    --box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --box-shadow-lg: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    
    --transition: all 0.3s ease;
    --transition-fast: all 0.15s ease;
    
    --header-height: 140px;
    --nav-height: 60px;
}

/* ================================
   Base Styles
   ================================ */
* {
    box-sizing: border-box;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--dark-color);
    background-color: var(--white);
    margin: 0;
    padding: 0;
}

/* Accessibility */
.visually-hidden-focusable:not(:focus):not(:focus-within) {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
}

/* ================================
   Header Styles
   ================================ */
.main-header {
    position: sticky;
    top: 0;
    z-index: 1020;
    background: var(--white);
    box-shadow: var(--box-shadow);
}

.header-top {
    font-size: 0.875rem;
}

.header-contact a,
.header-links a {
    transition: var(--transition-fast);
}

.header-contact a:hover,
.header-links a:hover {
    opacity: 0.8;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 700;
    font-size: 1.5rem;
}

.logo-img {
    height: 40px;
    width: auto;
    margin-right: 0.5rem;
}

.logo-text {
    color: var(--primary-color);
}

/* Search Bar */
.search-form {
    position: relative;
}

.search-input {
    border-radius: var(--border-radius-lg);
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 2px solid #e9ecef;
    transition: var(--transition);
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.search-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid #dee2e6;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow-lg);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
    display: none;
}

.search-suggestion {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid #f8f9fa;
    cursor: pointer;
    transition: var(--transition-fast);
}

.search-suggestion:hover {
    background: var(--light-color);
}

.search-suggestion:last-child {
    border-bottom: none;
}

/* Header Actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.header-action-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: var(--dark-color);
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.header-action-btn:hover {
    background: var(--light-color);
    color: var(--primary-color);
}

.header-action-btn .badge {
    position: absolute;
    top: -5px;
    right: -5px;
    min-width: 18px;
    height: 18px;
    font-size: 0.75rem;
    border-radius: 50%;
}

/* ================================
   Navigation Styles
   ================================ */
.main-nav {
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.main-nav .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    padding: 1rem 1.25rem;
    transition: var(--transition);
    border-radius: var(--border-radius);
    margin: 0 0.25rem;
}

.main-nav .navbar-nav .nav-link:hover,
.main-nav .navbar-nav .nav-link.active {
    color: var(--white);
    background: rgba(255, 255, 255, 0.1);
}

.main-nav .dropdown-menu {
    border: none;
    box-shadow: var(--box-shadow-lg);
    border-radius: var(--border-radius);
    margin-top: 0.5rem;
}

.main-nav .dropdown-item {
    padding: 0.75rem 1.25rem;
    transition: var(--transition-fast);
}

.main-nav .dropdown-item:hover {
    background: var(--primary-color);
    color: var(--white);
}

/* ================================
   Main Content
   ================================ */
.main-content {
    min-height: calc(100vh - var(--header-height) - var(--nav-height));
}

/* ================================
   Alert Styles
   ================================ */
.alert-container {
    position: relative;
    z-index: 1010;
}

.alert {
    border: none;
    border-radius: var(--border-radius);
    padding: 1rem 1.25rem;
    margin-bottom: 1rem;
    box-shadow: var(--box-shadow);
}

/* ================================
   Loading Overlay
   ================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    text-align: center;
}

/* ================================
   Footer Styles
   ================================ */
.main-footer {
    margin-top: auto;
}

.footer-top {
    border-top: 4px solid var(--primary-color);
}

.footer-logo {
    height: 32px;
    width: auto;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-2px);
}

.footer-bottom {
    background: #212529 !important;
}

.footer-links a {
    transition: var(--transition-fast);
    font-size: 0.875rem;
}

.footer-links a:hover {
    color: var(--primary-light) !important;
}

/* Back to Top Button */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: var(--box-shadow-lg);
    z-index: 1000;
    transition: var(--transition);
}

.back-to-top:hover {
    transform: translateY(-2px);
}

.back-to-top.show {
    display: flex;
}

/* ================================
   Button Enhancements
   ================================ */
.btn {
    font-weight: 500;
    border-radius: var(--border-radius);
    padding: 0.5rem 1rem;
    transition: var(--transition);
    border: 1px solid transparent;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

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

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

/* ================================
   Form Enhancements
   ================================ */
.form-control {
    border-radius: var(--border-radius);
    border: 1px solid #dee2e6;
    padding: 0.625rem 0.875rem;
    transition: var(--transition);
}

.form-control:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

.form-select {
    border-radius: var(--border-radius);
    border: 1px solid #dee2e6;
    padding: 0.625rem 0.875rem;
    transition: var(--transition);
}

.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 0.2rem rgba(0, 123, 255, 0.25);
}

/* ================================
   Card Enhancements
   ================================ */
.card {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    border: none;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--box-shadow-lg);
    transform: translateY(-2px);
}

.card-header {
    border-bottom: 1px solid #f8f9fa;
    background: var(--white);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0 !important;
}

/* ================================
   Utilities
   ================================ */
.text-gradient {
    background: linear-gradient(45deg, var(--primary-color), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.shadow-hover {
    transition: var(--transition);
}

.shadow-hover:hover {
    box-shadow: var(--box-shadow-lg);
}

/* ================================
   Responsive Design
   ================================ */
@media (max-width: 767.98px) {
    .header-top {
        display: none !important;
    }
    
    .logo-text {
        font-size: 1.25rem;
    }
    
    .search-form.mobile {
        margin-top: 1rem;
    }
    
    .main-content {
        min-height: calc(100vh - 80px);
    }
    
    .back-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 575.98px) {
    .hero-content {
        text-align: center;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .hero-actions .btn {
        width: 100%;
        margin: 0 !important;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .feature-item,
    .stat-item {
        margin-bottom: 2rem;
    }
}

/* ================================
   Animation Classes
   ================================ */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

.bounce-in {
    animation: bounceIn 0.6s ease-out;
}

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

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* ================================
   Print Styles
   ================================ */
@media print {
    .main-header,
    .main-footer,
    .back-to-top,
    .loading-overlay {
        display: none !important;
    }
    
    .main-content {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    * {
        box-shadow: none !important;
        text-shadow: none !important;
    }
}

/* ================================
   Storage Warning Notification
   ================================ */
.storage-warning {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    max-width: 400px;
    background: linear-gradient(135deg, #ff6b35, #f7931e);
    border-radius: var(--border-radius-lg);
    box-shadow: 0 8px 32px rgba(255, 107, 53, 0.3);
    animation: slideInRight 0.5s ease-out;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.storage-warning-content {
    display: flex;
    align-items: center;
    padding: 16px;
    color: white;
    position: relative;
}

.storage-warning-icon {
    flex-shrink: 0;
    margin-right: 12px;
    font-size: 24px;
    animation: pulse 2s infinite;
}

.storage-warning-text {
    flex: 1;
}

.storage-warning-text strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.storage-warning-text p {
    margin: 0;
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.4;
}

.storage-warning-close {
    position: absolute;
    top: 8px;
    right: 8px;
    background: none;
    border: none;
    color: white;
    font-size: 18px;
    cursor: pointer;
    padding: 4px;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    opacity: 0.7;
}

.storage-warning-close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

/* Animations */
@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .storage-warning {
        top: 10px;
        right: 10px;
        left: 10px;
        max-width: none;
    }
    
    .storage-warning-content {
        padding: 12px;
    }
    
    .storage-warning-icon {
        font-size: 20px;
        margin-right: 10px;
    }
    
    .storage-warning-text strong {
        font-size: 15px;
    }
    
    .storage-warning-text p {
        font-size: 13px;
    }
}