/* DOUGLAS QR-Code Maker - Styles */
/* Douglas Branding: Mint & Schwarz */

:root {
    /* Light Mode Colors */
    --primary: #9FCCCC;
    --primary-dark: #7AB3B3;
    --primary-light: #C5E3E3;
    --background: #FFFFFF;
    --surface: #FFFFFF;
    --text: #1A1A1A;
    --text-secondary: #666666;
    --border: #E0E0E0;
    --shadow: rgba(0, 0, 0, 0.1);
    --success: #4CAF50;
    --error: #F44336;
    --warning: #FF9800;
}

[data-theme="dark"] {
    /* Dark Mode Colors */
    --primary: #A8D8D8;
    --primary-dark: #8BC5C5;
    --primary-light: #BFE5E5;
    --background: #1A1A1A;
    --surface: #252525;
    --text: #FFFFFF;
    --text-secondary: #B0B0B0;
    --border: #404040;
    --shadow: rgba(0, 0, 0, 0.3);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--background);
    color: var(--text);
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Header & Navigation */
header {
    background-color: var(--surface);
    border-bottom: 2px solid var(--primary);
    padding: 1rem 0;
    margin-bottom: 2rem;
    box-shadow: 0 2px 8px var(--shadow);
    position: sticky;
    top: 0;
    z-index: 900;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
}

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

.logo-text .logo-main {
    font-size: 1.75rem;
    font-weight: bold;
    color: var(--primary);
    letter-spacing: 0.5px;
}

.logo-text .logo-sub {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-top: -2px;
}

.logo-qr {
    height: 50px;
    width: auto;
    transform: rotate(-8deg);
    transition: transform 0.3s ease;
    filter: drop-shadow(0 2px 4px var(--shadow));
}

.logo:hover .logo-qr {
    transform: rotate(-5deg) scale(1.05);
}

nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}

nav a {
    color: var(--text);
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

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

nav a.active {
    background-color: var(--primary);
    color: white;
}

.theme-toggle {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--text);
    transition: transform 0.3s ease;
}

.theme-toggle:hover {
    transform: scale(1.1);
}

/* Page Title */
.page-title {
    font-size: 2rem;
    font-weight: bold;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.page-subtitle {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* Cards */
.card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px var(--shadow);
}

/* Project Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.project-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 4px 16px var(--shadow);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.project-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.project-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.875rem;
    font-weight: 600;
}

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

.badge-archived {
    background-color: var(--border);
    color: var(--text-secondary);
}

.project-meta {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.project-meta div {
    margin-bottom: 0.25rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

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

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

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

.btn-danger:hover {
    background-color: #d32f2f;
}

.btn-small {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

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

label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text);
}

input[type="text"],
input[type="number"],
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    background-color: var(--surface);
    color: var(--text);
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

input:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
}

textarea {
    resize: vertical;
    min-height: 100px;
}

.help-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

th {
    background-color: var(--primary-light);
    font-weight: 600;
    color: var(--text);
}

tr:hover {
    background-color: var(--primary-light);
}

/* Downloads Section */
.downloads-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
}

.download-card {
    background-color: var(--surface);
    border: 2px solid var(--border);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
}

.download-card:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 4px 16px var(--shadow);
}

.download-icon {
    font-size: 3rem;
    margin-bottom: 0.5rem;
}

.download-name {
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.download-filename {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-success {
    background-color: var(--primary-light);
    border: 1px solid var(--primary);
    color: var(--text);
}

.alert-error {
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

.alert-info {
    background-color: var(--primary-light);
    border: 1px solid var(--primary);
    color: var(--text);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.empty-state-text {
    margin-bottom: 2rem;
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--primary);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* --- Mobile Nav Controls (Hamburger + Theme Toggle) --- */
.nav-mobile-controls {
    display: none;
    align-items: center;
    gap: 0.5rem;
}

.nav-toggle {
    display: none;
    background: none;
    border: 2px solid var(--primary);
    border-radius: 6px;
    padding: 0.4rem 0.6rem;
    font-size: 1.4rem;
    cursor: pointer;
    color: var(--text);
    line-height: 1;
}

/* --- Responsive Table Wrapper --- */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* --- Page Action Bar (Buttons oben auf Projektseiten) --- */
.page-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 12px;
}

.page-actions-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-actions-right {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* --- Auth Card (Login/Register/Verify) --- */
.auth-card {
    border-radius: 16px;
    padding: 48px 40px;
}

/* --- Modal --- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal-box {
    background: var(--surface, #fff);
    border-radius: 12px;
    padding: 32px;
    max-width: 440px;
    width: 90%;
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

/* --- Stats Grid (Admin) --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

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

    .header-content {
        padding: 0 1rem;
    }

    /* Mobile Controls sichtbar (Hamburger + Theme) */
    .nav-mobile-controls {
        display: flex;
    }

    .nav-toggle {
        display: block;
    }

    /* Desktop-Theme-Toggle in Nav verstecken */
    nav .theme-toggle {
        display: none;
    }

    /* Nav standardmäßig versteckt */
    nav {
        display: none;
        width: 100%;
        flex-direction: column;
        gap: 0.25rem;
        padding-top: 0.75rem;
    }

    nav.nav-open {
        display: flex;
    }

    nav a {
        width: 100%;
        text-align: center;
        padding: 0.6rem 1rem;
    }

    .nav-separator {
        display: none;
    }

    .nav-email {
        font-size: 0.8rem;
        text-align: center;
        padding: 0.4rem;
        color: var(--text-secondary);
        word-break: break-all;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-actions {
        flex-direction: column;
    }

    .project-actions .btn {
        width: 100%;
    }

    .section-header {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
    }

    .section-header .btn {
        width: 100%;
        text-align: center;
    }

    .downloads-grid {
        grid-template-columns: 1fr;
    }

    .page-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .page-actions-left,
    .page-actions-right {
        flex-direction: column;
        width: 100%;
    }

    .page-actions-right .btn,
    .page-actions-left .btn {
        width: 100%;
        text-align: center;
    }

    .auth-card {
        padding: 32px 24px;
    }

    .modal-box {
        padding: 24px 20px;
        width: 94%;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .page-title {
        font-size: 1.5rem;
    }

    /* Tabellen horizontal scrollbar */
    table {
        min-width: 500px;
    }

    th, td {
        padding: 0.5rem;
        font-size: 0.875rem;
    }

    /* Admin inline Formulare */
    .admin-inline-actions form {
        display: block;
        margin-bottom: 0.4rem;
    }

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

/* ========== SMARTPHONE ≤480px ========== */
@media (max-width: 480px) {
    .container {
        padding: 0.75rem;
    }

    header {
        margin-bottom: 1rem;
    }

    .header-content {
        padding: 0 0.75rem;
    }

    .logo-text .logo-main {
        font-size: 1.35rem;
    }

    .logo-text .logo-sub {
        font-size: 0.8rem;
    }

    .logo-qr {
        height: 38px;
    }

    .page-title {
        font-size: 1.25rem;
    }

    .page-subtitle {
        font-size: 0.9rem;
        margin-bottom: 1rem;
    }

    .auth-card {
        padding: 24px 16px;
        border-radius: 12px;
    }

    .card {
        padding: 1rem;
    }

    .card h3 {
        font-size: 1.1rem;
    }

    .btn {
        padding: 0.65rem 1rem;
        font-size: 0.9rem;
    }

    .empty-state {
        padding: 2rem 1rem;
    }

    .empty-state-icon {
        font-size: 3rem;
    }

    .empty-state-title {
        font-size: 1.2rem;
    }

    .download-card {
        padding: 1rem;
    }

    .download-icon {
        font-size: 2rem;
    }

    .modal-box {
        padding: 20px 16px;
        width: 96%;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    /* Tabellen noch kompakter */
    table {
        min-width: 420px;
    }

    th, td {
        padding: 0.4rem;
        font-size: 0.8rem;
    }
}

/* Utility Classes */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }

.text-center { text-align: center; }
.text-right { text-align: right; }

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

/* Loading Spinner */
.spinner {
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 2rem auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}


/* ========================================
   DARK MODE TEXT FIX
   Texte auf grünen Flächen → schwarz
   ======================================== */

/* 1. BUTTONS - Primary Buttons */
[data-theme="dark"] .btn-primary,
[data-theme="dark"] .btn-primary:hover {
    background-color: var(--primary);
    color: #000000 !important;
}

[data-theme="dark"] .btn-primary:hover {
    background-color: var(--primary-dark);
}

/* 2. BADGES - Aktiv-Badge */
[data-theme="dark"] .badge-active,
[data-theme="dark"] .project-badge.badge-active {
    background-color: var(--primary);
    color: #000000 !important;
}

/* 3. NAVIGATION - Active State */
[data-theme="dark"] nav a.active,
[data-theme="dark"] nav a.active:hover {
    background-color: var(--primary);
    color: #000000 !important;
}

/* 4. TABELLEN-HEADER - Mint-Hintergrund */
[data-theme="dark"] th {
    background-color: var(--primary-light);
    color: #000000 !important;
}

[data-theme="dark"] tr:hover {
    background-color: rgba(168, 216, 216, 0.2);
}

/* 5. STATISTIK-BOX - Dunkler Hintergrund im Dark Mode */
[data-theme="dark"] .card[style*="background: #f8f9fa"] {
    background: var(--surface) !important;
}

[data-theme="dark"] .card[style*="background: #f8f9fa"] h4 {
    color: var(--text);
}

/* 6. STATISTIK-TEXT - Lesbar im Dark Mode */
[data-theme="dark"] div[style*="color: #666"] {
    color: var(--text-secondary) !important;
}

/* 7. ALLGEMEIN - Alle Elemente mit Mint-Hintergrund */
[data-theme="dark"] [style*="background-color: #9FCCCC"],
[data-theme="dark"] [style*="background-color: #A8D8D8"],
[data-theme="dark"] [style*="background: #9FCCCC"],
[data-theme="dark"] [style*="background: #A8D8D8"] {
    color: #000000 !important;
}

/* 8. BUTTONS in Projektkarten - Öffnen, Bearbeiten, etc. */
[data-theme="dark"] .project-actions .btn-primary,
[data-theme="dark"] button[type="submit"].btn-primary,
[data-theme="dark"] input[type="submit"].btn-primary {
    color: #000000 !important;
}

/* 9. ALLE Mint/Hellblauen Hintergründe */
[data-theme="dark"] [style*="background: #C5E3E3"],
[data-theme="dark"] [style*="background: #BFE5E5"],
[data-theme="dark"] [style*="background-color: #C5E3E3"],
[data-theme="dark"] [style*="background-color: #BFE5E5"] {
    color: #000000 !important;
}

/* ========================================
   ZUSÄTZLICHE DARK MODE FIXES
   ======================================== */

/* 1. INFO-BALKEN - Text schwarz auf Mint */
[data-theme="dark"] .alert-info {
    background-color: var(--primary-light);
    color: #000000 !important;
    border-color: var(--primary);
}

[data-theme="dark"] .alert-info p {
    color: #000000 !important;
}

/* 2. LINKS - Weiß/Mint statt violett im Dark Mode */
[data-theme="dark"] a {
    color: var(--primary);
}

[data-theme="dark"] a:hover {
    color: var(--primary-light);
}

/* Spezifisch für "Zurück zum Dashboard" Links */
[data-theme="dark"] a[href*="index"],
[data-theme="dark"] .back-link,
[data-theme="dark"] a[style*="color: #9370DB"],
[data-theme="dark"] a[style*="color: var(--primary)"] {
    color: var(--primary) !important;
}

[data-theme="dark"] a[href*="index"]:hover,
[data-theme="dark"] .back-link:hover {
    color: var(--primary-light) !important;
}

/* 3. QR-CODE LOGO - Weiß im Dark Mode */
[data-theme="dark"] .logo-qr {
    filter: invert(1) brightness(1.2);
}

/* Buttons in Projektkarten nicht invertieren */
[data-theme="dark"] .logo-qr img {
    filter: none;
}

/* 4. Alert-Success - auch schwarz auf grün */
[data-theme="dark"] .alert-success {
    color: #000000 !important;
}

[data-theme="dark"] .alert-success p {
    color: #000000 !important;
}

/* 5. Alle Alerts mit hellem Hintergrund */
[data-theme="dark"] .alert-warning,
[data-theme="dark"] .alert-info,
[data-theme="dark"] .alert-success {
    color: #000000 !important;
}

[data-theme="dark"] .alert-warning *,
[data-theme="dark"] .alert-info *,
[data-theme="dark"] .alert-success * {
    color: #000000 !important;
}


/* ========================================
   LOGIN/REGISTER DARK MODE FIXES
   ======================================== */

/* Überschriften in Login/Register/Verify weiß */
[data-theme="dark"] h3.fw-bold {
    color: #FFFFFF !important;
}

/* Überschriften in Cards (z.B. "QR-Codes", "Downloads") */
[data-theme="dark"] .card h3 {
    color: #FFFFFF !important;
}

/* Footer-Texte weiß (Bereits registriert? / Noch kein Konto?) */
[data-theme="dark"] .text-muted {
    color: #B0B0B0 !important;
}

/* Footer-Links weiß mit Mint-Hover */
[data-theme="dark"] .text-muted + a,
[data-theme="dark"] p.text-muted a {
    color: #FFFFFF !important;
}

[data-theme="dark"] .text-muted + a:hover,
[data-theme="dark"] p.text-muted a:hover {
    color: var(--primary) !important;
}