/**
 * Rowos & Friends - Sponsorenportal
 * TSG Wolfstein-Roßbach e.V.
 * Main Stylesheet
 */

:root {
    --color-primary: #1e3a5f;
    --color-primary-dark: #152a45;
    --color-primary-light: #2d5a8a;
    --color-secondary: #c41e3a;
    --color-secondary-dark: #a01830;
    --color-accent: #2563eb;
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-bronze: #cd7f32;
    --color-silver: #c0c0c0;
    --color-gold: #ffd700;
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1);
}

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--color-gray-800);
    background-color: var(--color-gray-50);
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    transition: color 0.2s;
}

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

img {
    max-width: 100%;
    height: auto;
}

/* Header */
.header {
    background: var(--color-primary);
    color: var(--color-white);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.header-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-white);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text small {
    font-weight: 400;
    font-size: 0.75rem;
    opacity: 0.8;
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    color: var(--color-white);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    transition: background 0.2s;
}

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

.nav-link.active {
    background: rgba(255,255,255,0.2);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.875rem;
    border: none;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

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

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

.btn-secondary:hover {
    background: var(--color-secondary-dark);
    color: var(--color-white);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

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

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

.btn-white:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* Cards */
.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.2s;
}

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

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: 1.25rem;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 0.5rem;
}

.card-text {
    color: var(--color-gray-600);
    font-size: 0.875rem;
}

/* Post Cards (Feed) */
.post-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 1rem;
    overflow: hidden;
}

.post-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-bottom: 1px solid var(--color-gray-100);
}

.post-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    object-fit: cover;
    background: var(--color-gray-200);
}

.post-meta {
    flex: 1;
}

.post-author {
    font-weight: 600;
    color: var(--color-gray-900);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.post-time {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
}

.post-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-gold {
    background: linear-gradient(135deg, #ffd700, #ffed4a);
    color: #92400e;
}

.badge-silver {
    background: linear-gradient(135deg, #c0c0c0, #e5e5e5);
    color: #374151;
}

.badge-bronze {
    background: linear-gradient(135deg, #cd7f32, #dda15e);
    color: #78350f;
}

.badge-b2b {
    background: var(--color-primary-light);
    color: var(--color-white);
}

.badge-verified {
    color: var(--color-accent);
}

.post-content {
    padding: 1rem;
}

.post-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-gray-900);
}

.post-text {
    color: var(--color-gray-700);
    line-height: 1.7;
}

.post-image {
    width: 100%;
    max-height: 500px;
    object-fit: cover;
}

.post-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--color-gray-100);
}

.post-action {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--color-gray-500);
    font-size: 0.875rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: var(--radius-md);
    transition: all 0.2s;
    background: none;
    border: none;
}

.post-action:hover {
    background: var(--color-gray-100);
    color: var(--color-primary);
}

.post-action.liked {
    color: var(--color-secondary);
}

/* Company Cards */
.company-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all 0.3s;
    position: relative;
}

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

.company-card.featured {
    border: 2px solid var(--color-gold);
}

.company-logo-wrapper {
    height: 140px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.company-logo {
    max-height: 80px;
    max-width: 160px;
    object-fit: contain;
    background: var(--color-white);
    padding: 0.5rem;
    border-radius: var(--radius-md);
}

.company-info {
    padding: 1.25rem;
}

.company-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 0.25rem;
}

.company-category {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-bottom: 0.75rem;
}

.company-rating {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.875rem;
}

.company-rating .stars {
    color: var(--color-warning);
}

.company-rating .count {
    color: var(--color-gray-500);
}

/* Forms */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-weight: 500;
    margin-bottom: 0.375rem;
    color: var(--color-gray-700);
    font-size: 0.875rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--color-white);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(30, 58, 95, 0.1);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-hint {
    font-size: 0.8125rem;
    color: var(--color-gray-500);
    margin-top: 0.25rem;
}

.form-error {
    font-size: 0.8125rem;
    color: var(--color-error);
    margin-top: 0.25rem;
}

/* Alerts */
.alert {
    padding: 1rem 1.25rem;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-sm {
    max-width: 640px;
}

.container-md {
    max-width: 768px;
}

.container-lg {
    max-width: 1024px;
}

/* Grid */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* Feed Layout */
.feed-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 2rem;
    padding: 2rem 0;
}

.feed-main {
    min-width: 0;
}

.feed-sidebar {
    position: sticky;
    top: 90px;
    height: fit-content;
}

@media (max-width: 1024px) {
    .feed-layout {
        grid-template-columns: 1fr;
    }
    
    .feed-sidebar {
        display: none;
    }
}

/* Sidebar Widgets */
.widget {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.25rem;
    margin-bottom: 1rem;
}

.widget-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    padding: 4rem 0;
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: 3rem 0 1.5rem;
    margin-top: 4rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-title {
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-link {
    color: var(--color-gray-400);
    display: block;
    padding: 0.375rem 0;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--color-white);
}

.footer-bottom {
    border-top: 1px solid var(--color-gray-800);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    color: var(--color-gray-400);
    font-size: 1.25rem;
    transition: color 0.2s;
}

.footer-social a:hover {
    color: var(--color-white);
}

@media (max-width: 768px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* Visibility Selector */
.visibility-selector {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.visibility-option {
    flex: 1;
    padding: 0.75rem;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-md);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--color-white);
}

.visibility-option:hover {
    border-color: var(--color-primary-light);
}

.visibility-option.selected {
    border-color: var(--color-primary);
    background: rgba(30, 58, 95, 0.05);
}

.visibility-option i {
    display: block;
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
    color: var(--color-primary);
}

.visibility-option span {
    font-size: 0.8125rem;
    font-weight: 500;
}

/* Mobile Navigation */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--color-primary);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow-lg);
    }
    
    .nav.open {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: 0.75rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-muted { color: var(--color-gray-500); }
.text-sm { font-size: 0.875rem; }
.text-lg { font-size: 1.125rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }

.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }

.hidden { display: none; }
.visible { display: block; }

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease-out;
}

/* Share Buttons */
.share-buttons {
    display: flex;
    gap: 0.5rem;
}

.share-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1rem;
    transition: transform 0.2s, opacity 0.2s;
}

.share-btn:hover {
    transform: scale(1.1);
    color: var(--color-white);
}

.share-btn.whatsapp { background: #25d366; }
.share-btn.facebook { background: #1877f2; }
.share-btn.instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.share-btn.copy { background: var(--color-gray-600); }

/* Loading Spinner */
.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-gray-200);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 3rem;
    color: var(--color-gray-500);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h3 {
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
}