/* ============================================
   PROMPTDB - ID-ZEMKE BRANDING
   Hauptfarbe: #00a3d4 (Cyan)
   ============================================ */

/* ===== CSS VARIABLEN - ID-ZEMKE FARBSCHEMA ===== */
:root {
    /* id-zemke Markenfarben */
    --brand-primary: #00a3d4;      /* Hauptfarbe (Cyan) */
    --brand-primary-dark: #0088b3;  /* Dunkleres Cyan */
    --brand-primary-light: #33b5dd; /* Helleres Cyan */
    --brand-secondary: #0077a3;     /* Blau-Cyan */
    --brand-accent: #00d4a8;        /* Türkis-Grün */
    --brand-gradient-start: #00a3d4;
    --brand-gradient-end: #0077a3;
    
    /* Light Mode Farben */
    --primary-color: #00a3d4;
    --primary-hover: #0088b3;
    --secondary-color: #0077a3;
    --accent-color: #00d4a8;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f0f9fc;        /* Sehr helles Cyan */
    --bg-tertiary: #e1f4f9;         /* Helles Cyan */
    --bg-card: #ffffff;
    
    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --text-tertiary: #718096;
    
    --border-color: #d4ecf2;        /* Cyan Border */
    --shadow-sm: 0 1px 3px rgba(0, 163, 212, 0.08);
    --shadow-md: 0 4px 6px -1px rgba(0, 163, 212, 0.15);
    --shadow-lg: 0 10px 15px -3px rgba(0, 163, 212, 0.2);
    --shadow-xl: 0 20px 25px -5px rgba(0, 163, 212, 0.25);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Dark Mode Farben - id-zemke Theme */
[data-theme="dark"] {
    --primary-color: #00a3d4;
    --primary-hover: #33b5dd;
    --secondary-color: #00d4a8;
    --accent-color: #00ffc8;
    
    --bg-primary: #0a1929;          /* Dunkles Blau-Schwarz */
    --bg-secondary: #132f45;        /* Dunkelblau */
    --bg-tertiary: #1a4660;         /* Mittel-Dunkelblau */
    --bg-card: #132f45;
    
    --text-primary: #e8f4f8;
    --text-secondary: #b8d4e0;
    --text-tertiary: #7fa8bc;
    
    --border-color: #1a4660;
    --shadow-sm: 0 1px 3px rgba(0, 163, 212, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 163, 212, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 163, 212, 0.4);
    --shadow-xl: 0 20px 25px -5px rgba(0, 163, 212, 0.5);
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    transition: background var(--transition-normal), color var(--transition-normal);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== NAVBAR ===== */
.navbar-custom {
    background: var(--bg-card);
    border-bottom: 2px solid var(--primary-color);
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.navbar-brand-wrapper {
    display: flex;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.logo-link:hover {
    transform: translateY(-2px);
}

/* Logo - Bild + Text nebeneinander */
.logo-image {
    height: 50px;
    width: 50px;
    object-fit: contain;
    margin-right: 1rem;
    transition: all var(--transition-normal);
    filter: drop-shadow(0 2px 8px rgba(0, 163, 212, 0.2));
}

.logo-link:hover .logo-image {
    filter: drop-shadow(0 4px 12px rgba(0, 163, 212, 0.4));
    transform: scale(1.05);
}

@keyframes pulse {
    0%, 100% { 
        opacity: 1;
        filter: drop-shadow(0 0 8px rgba(0, 163, 212, 0.3));
    }
    50% { 
        opacity: 0.85;
        filter: drop-shadow(0 0 12px rgba(0, 163, 212, 0.5));
    }
}

/* Logo-Text Container */
.logo-text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

/* Logo-Titel: "PromptDB" */
.logo-title {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    letter-spacing: -0.5px;
}

/* Logo-Untertitel: "KI Prompt Bibliothek by id-zemke" */
.logo-subtitle {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 500;
    line-height: 1;
    opacity: 0.85;
}

/* Responsive Logo */
@media (max-width: 992px) {
    .logo-image {
        height: 45px;
        width: 45px;
        margin-right: 0.85rem;
    }
    
    .logo-title {
        font-size: 1.35rem;
    }
    
    .logo-subtitle {
        font-size: 0.7rem;
    }
}

@media (max-width: 768px) {
    .logo-image {
        height: 40px;
        width: 40px;
        margin-right: 0.75rem;
    }
    
    .logo-title {
        font-size: 1.25rem;
    }
    
    .logo-subtitle {
        font-size: 0.65rem;
    }
}

@media (max-width: 576px) {
    .logo-image {
        height: 35px;
        width: 35px;
        margin-right: 0.6rem;
    }
    
    .logo-title {
        font-size: 1.1rem;
    }
    
    .logo-subtitle {
        font-size: 0.6rem;
    }
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    border: 2px solid var(--primary-color);
    background: transparent;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: 1.2rem;
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: white;
    transform: rotate(180deg) scale(1.1);
    box-shadow: 0 0 20px rgba(0, 163, 212, 0.5);
}

/* Admin Button */
.btn-admin {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
}

.btn-admin:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 163, 212, 0.4);
    color: white;
}

/* ===== HERO SECTION ===== */
.hero-section {
    background: linear-gradient(135deg, var(--brand-gradient-start), var(--brand-gradient-end));
    padding: 3rem 0;
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="60" height="60" patternUnits="userSpaceOnUse"><path d="M 60 0 L 0 0 0 60" fill="none" stroke="rgba(255,255,255,0.08)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.6s ease;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.hero-title i {
    margin-right: 0.5rem;
    animation: bounce 2s ease infinite;
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5));
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero-subtitle {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 400;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.6s ease 0.2s backwards;
}

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

/* ===== MAIN CONTAINER ===== */
.main-container {
    flex: 1;
    padding-bottom: 4rem;
}

/* ===== SEARCH SECTION ===== */
.search-section {
    margin-bottom: 2rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 1.25rem;
    color: var(--primary-color);
    font-size: 1.1rem;
    transition: color var(--transition-fast);
    z-index: 1;
}

.search-input {
    padding: 1rem 3rem 1rem 3.5rem !important;
    border: 2px solid var(--primary-color);
    border-radius: 16px;
    font-size: 1rem;
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.search-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 163, 212, 0.2), var(--shadow-lg);
    outline: none;
}

.search-input::placeholder {
    color: var(--text-tertiary);
}

.search-clear {
    position: absolute;
    right: 1rem;
    background: var(--primary-color);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    color: white;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.search-clear:hover {
    background: var(--primary-hover);
    transform: rotate(90deg);
}

.category-select-wrapper {
    position: relative;
}

.filter-icon {
    position: absolute;
    left: 1.25rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary-color);
    z-index: 1;
}

.category-select {
    padding: 1rem 1rem 1rem 3.5rem !important;
    border: 2px solid var(--primary-color);
    border-radius: 16px;
    background: var(--bg-card);
    color: var(--text-primary);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.category-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(0, 163, 212, 0.2), var(--shadow-lg);
    outline: none;
}

.results-info {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-card);
    border-left: 4px solid var(--primary-color);
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: slideIn 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.results-info i {
    color: var(--primary-color);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== LOADING SPINNER ===== */
.loading-spinner {
    text-align: center;
    padding: 3rem;
    color: var(--text-secondary);
}

.loading-spinner .spinner-border {
    color: var(--primary-color);
    width: 3rem;
    height: 3rem;
    margin-bottom: 1rem;
}

/* ===== PROMPT CARDS ===== */
.card {
    border: 2px solid var(--border-color);
    border-radius: 20px;
    background: var(--bg-card);
    transition: all var(--transition-normal);
    overflow: hidden;
    animation: fadeIn 0.4s ease;
    height: 100%;
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    transform: scaleX(0);
    transition: transform var(--transition-normal);
}

.card:hover::before {
    transform: scaleX(1);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 163, 212, 0.25);
    border-color: var(--primary-color);
}

.card-body {
    padding: 1.5rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-text-wrapper {
    max-height: 180px;
    overflow: hidden;
    margin-bottom: 1rem;
}

.card-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.category-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: transform var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.category-badge:hover {
    transform: scale(1.05);
}

.btn-outline-primary {
    padding: 0.6rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    background: transparent;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateX(4px);
    box-shadow: 0 4px 12px rgba(0, 163, 212, 0.4);
}

/* ===== MODAL ===== */
.modal-custom .modal-content {
    border-radius: 24px;
    border: 2px solid var(--primary-color);
    background: var(--bg-card);
    box-shadow: var(--shadow-xl);
}

.modal-header-custom {
    background: linear-gradient(135deg, var(--brand-gradient-start), var(--brand-gradient-end));
    color: white;
    padding: 1.5rem;
    border-bottom: none;
    border-radius: 24px 24px 0 0;
}

.modal-title-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex: 1;
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.modal-category-badge {
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.25);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.btn-close-custom {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 12px;
    color: white;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-close-custom:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.modal-body-custom {
    padding: 2rem;
    max-height: 60vh;
    overflow-y: auto;
}

.modal-text {
    white-space: pre-wrap;
    font-family: 'SF Mono', 'Monaco', 'Consolas', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-primary);
    background: var(--bg-tertiary);
    padding: 1.5rem;
    border-radius: 16px;
    margin: 0;
    border-left: 4px solid var(--primary-color);
}

.modal-footer-custom {
    padding: 1.5rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-footer-left {
    display: flex;
    align-items: center;
}

.modal-info {
    color: var(--text-tertiary);
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.modal-info i {
    color: var(--primary-color);
}

.modal-footer-right {
    display: flex;
    gap: 0.75rem;
}

.btn-modal {
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.btn-modal-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 163, 212, 0.4);
}

.btn-modal-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.btn-modal-secondary:hover {
    background: var(--border-color);
}

/* ===== FOOTER ===== */
.footer {
    background: var(--bg-card);
    border-top: 2px solid var(--primary-color);
    padding: 2rem 0;
    margin-top: auto;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-logo i {
    color: var(--primary-color);
    -webkit-text-fill-color: var(--primary-color);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width var(--transition-fast);
}

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

.footer-links a:hover::after {
    width: 100%;
}

.footer-copyright {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

.footer-copyright i {
    color: var(--accent-color);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .logo-subtitle {
        display: none;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .btn-admin span {
        display: none;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .modal-footer-custom {
        flex-direction: column;
        gap: 1rem;
    }
    
    .modal-info {
        display: none;
    }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-hover);
}