/**
 * DigiMitro - Main Stylesheet
 * Modern, responsive design for letter assistant
 */

/* === CSS Reset & Base === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --light-bg: #f8fafc;
    --dark-text: #1e293b;
    --medium-text: #475569;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--light-bg);
}

/* === Container === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* === Header === */
.main-header {
    background: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    color: var(--dark-text);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo img {
    height: 40px;
    width: auto;
}

.main-nav .nav-items {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--medium-text);
    font-weight: 500;
    transition: color 0.3s;
}

.nav-link:hover {
    color: var(--primary-color);
}

.language-switcher select {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    font-size: 0.875rem;
    cursor: pointer;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.user-name {
    font-weight: 500;
    color: var(--dark-text);
}

/* === Main Content === */
.main-content {
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

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

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1.125rem;
}

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

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

.form-control {
    width: 100%;
    padding: 0.625rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 0.375rem;
    transition: border-color 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

textarea.form-control {
    resize: vertical;
}

.form-help {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.875rem;
    color: var(--medium-text);
}

.required {
    color: var(--danger-color);
}

/* === Authentication Pages === */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 200px);
    padding: 2rem 0;
}

.auth-box {
    background: white;
    padding: 2.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 450px;
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-header h1 {
    font-size: 1.875rem;
    margin-bottom: 0.5rem;
}

.auth-header p {
    color: var(--medium-text);
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

/* === Alerts === */
.alert {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 0.375rem;
}

.alert ul {
    margin: 0;
    padding-left: 1.25rem;
}

.alert-danger {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-success {
    background: #f0fdf4;
    color: #166534;
    border: 1px solid #bbf7d0;
}

/* === Hero Section === */
.hero-section {
    text-align: center;
    padding: 3rem 0;
    background: white;
    border-radius: 0.5rem;
    margin-bottom: 3rem;
    box-shadow: var(--shadow);
}

.hero-section h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--dark-text);
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--medium-text);
    max-width: 800px;
    margin: 0 auto 2rem;
}

/* === Statistics === */
.stats-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--medium-text);
    font-size: 1.125rem;
}

/* === Categories Grid === */
.home-categories-section {
    margin-bottom: 3rem;
}

.home-categories-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.home-categories-section > p {
    text-align: center;
    color: var(--medium-text);
    margin-bottom: 2rem;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.category-card {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--dark-text);
    box-shadow: var(--shadow);
    transition: transform 0.3s, box-shadow 0.3s;
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.category-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.category-card h3 {
    margin-bottom: 0.5rem;
    color: var(--dark-text);
}

.category-card p {
    color: var(--medium-text);
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.category-count {
    color: var(--primary-color);
    font-weight: 500;
    font-size: 0.875rem;
}

/* === Features Section === */
.features-section {
    margin-bottom: 3rem;
}

.features-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 0.75rem;
}

.feature-card p {
    color: var(--medium-text);
}

/* === How It Works === */
.how-it-works-section {
    margin-bottom: 3rem;
}

.how-it-works-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.step-card {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    text-align: center;
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step-card h3 {
    margin-bottom: 0.5rem;
}

.step-card p {
    color: var(--medium-text);
}

/* === Templates List === */
.page-header {
    text-align: center;
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.page-header p {
    color: var(--medium-text);
}

.filters-section {
    background: white;
    padding: 1.5rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.filters-form {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 1rem;
    align-items: end;
}

.filter-actions {
    display: flex;
    gap: 0.5rem;
}

.templates-grid {
    margin-bottom: 2rem;
}

.category-section {
    margin-bottom: 3rem;
}

.category-title {
    font-size: 1.75rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-color);
}

.template-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.template-card {
    background: white;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.template-card-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.template-card-header h3 {
    margin-bottom: 0.5rem;
}

.template-lang {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--light-bg);
    color: var(--medium-text);
    border-radius: 1rem;
    font-size: 0.75rem;
}

.template-card-body {
    padding: 1rem 1.5rem;
}

.template-category {
    color: var(--medium-text);
    font-size: 0.875rem;
}

.template-card-footer {
    padding: 1rem 1.5rem;
    background: var(--light-bg);
}

.no-results {
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
}

/* === Template View === */
.template-view {
    max-width: 900px;
    margin: 0 auto;
}

.template-info-box {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.breadcrumb {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    color: var(--medium-text);
}

.breadcrumb a {
    color: var(--primary-color);
    text-decoration: none;
}

.template-meta {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.badge {
    display: inline-block;
    padding: 0.375rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-primary {
    background: var(--primary-color);
    color: white;
}

.badge-secondary {
    background: var(--secondary-color);
    color: white;
}

.template-form-section {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.template-form-section h2 {
    margin-bottom: 0.5rem;
}

.letter-form {
    margin-top: 2rem;
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.template-preview-section {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow);
}

.template-body-preview {
    background: var(--light-bg);
    padding: 1.5rem;
    border-radius: 0.375rem;
    white-space: pre-wrap;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
}

/* === Generated Letter === */
.generated-letter-page {
    max-width: 900px;
    margin: 0 auto;
}

.letter-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.letter-actions .btn svg {
    margin-right: 0.5rem;
    vertical-align: middle;
}

.letter-container {
    background: white;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-lg);
}

.letter-paper {
    background: white;
    padding: 3rem;
    min-height: 600px;
}

.letter-header-info {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    color: var(--medium-text);
}

.letter-body {
    white-space: pre-wrap;
    line-height: 1.8;
    font-size: 1rem;
}

.copy-alert {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--success-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 0.375rem;
    box-shadow: var(--shadow-lg);
    z-index: 2000;
}

/* === Footer === */
.main-footer {
    background: white;
    margin-top: 4rem;
    padding: 3rem 0 1rem;
    box-shadow: 0 -1px 3px rgba(0, 0, 0, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--dark-text);
}

.footer-section p {
    color: var(--medium-text);
    margin-bottom: 0.5rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--medium-text);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--medium-text);
}

/* === Print Styles === */
@media print {
    .main-header,
    .main-footer,
    .letter-actions,
    .btn {
        display: none !important;
    }
    
    .letter-container {
        box-shadow: none;
        padding: 0;
    }
    
    body {
        background: white;
    }
}

/* === Responsive === */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .main-nav .nav-items {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .hero-section h1 {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .filters-form {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .letter-actions {
        flex-direction: column;
    }
    
    .letter-paper {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .auth-box {
        padding: 1.5rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .category-card,
    .feature-card,
    .step-card {
        padding: 1.5rem;
    }
}