/**
 * Main CSS - Smoke Free Zone
 * Global styles used across all modules
 *
 * @package     SmokeFreezone
 * @author      Firstcoms Co., Ltd. (Development Team)
 * @copyright   2025 Smoke Free Zone
 */

/* ===== CUSTOM PROPERTIES ===== */
:root {
    --primary-color: #D90429;
    --primary-dark: #b8032a;
    --secondary-color: #2B2D42;
    --accent-color: #8D99AE;
    --light-color: #EDF2F4;
    --text-color: #1f2937;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* ===== BASE STYLES ===== */
* {
    box-sizing: border-box;
}

body {
    font-family: 'Sarabun', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

/* ===== TYPOGRAPHY ===== */
.font-prompt {
    font-family: 'Prompt', sans-serif;
}

/* ===== LAYOUT ===== */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
}

/* ===== UTILITY CLASSES ===== */
.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-3 {
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ===== BUTTONS ===== */
.btn-primary {
    background-color: var(--primary-color);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: white;
    color: var(--primary-color);
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid var(--primary-color);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    color: var(--text-color);
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-weight: 500;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    cursor: pointer;
}

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

/* ===== CARDS ===== */
.content-card {
    background: white;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.content-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.content-card-image {
    position: relative;
    width: 100%;
    padding-top: 66.67%;
    overflow: hidden;
    background: var(--light-color);
}

.content-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.content-card:hover .content-card-image img {
    transform: scale(1.1);
}

.content-card-body {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.content-card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
    line-height: 1.4;
}

.content-card-description {
    color: var(--accent-color);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
}

.content-card-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.875rem;
    color: var(--accent-color);
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.category-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.form-control {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(217, 4, 41, 0.1);
}

.form-control.error {
    border-color: #ef4444;
}

.form-error {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.form-success {
    color: #10b981;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* ===== LOADING STATES ===== */
.skeleton-loading {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.loading-spinner {
    display: inline-block;
    width: 2rem;
    height: 2rem;
    border: 3px solid var(--light-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

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

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

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

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

.slide-in-left {
    animation: slideInLeft 0.4s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.4s ease-out;
}

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

.scale-in {
    animation: scaleIn 0.3s ease-out;
}

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

.animate-bounce-slow {
    animation: bounce-slow 2s ease-in-out infinite;
}

@keyframes bounce-slow {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* ===== GO TO TOP BUTTON ===== */
#go-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 40;
}

#go-to-top.visible {
    opacity: 1;
    visibility: visible;
}

#go-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-4px);
}

/* ===== COOKIE CONSENT ===== */
#cookie-consent-popup {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -4px 6px -1px rgba(0, 0, 0, 0.1);
    padding: 1.5rem;
    z-index: 50;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

#cookie-consent-popup.show {
    transform: translateY(0);
}

/* ===== RESPONSIVE UTILITIES ===== */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    #go-to-top {
        bottom: 1rem;
        right: 1rem;
        width: 2.5rem;
        height: 2.5rem;
    }
}

/* ===== ACCESSIBILITY ===== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ===== PRINT STYLES ===== */
@media print {
    .no-print {
        display: none !important;
    }

    .content-card {
        page-break-inside: avoid;
    }
}