/* css/main.css */

:root {
    /* Farbpalette & Dark-Theme Tokens */
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: rgba(79, 70, 229, 0.15);
    
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #334155;
    --bg-input-focus: #475569;
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --border-color: #334155;
    --border-color-hover: #475569;
    
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --danger-bg: rgba(239, 68, 68, 0.12);
    
    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.12);
    
    --radius-sm: 6px;
    --radius: 10px;
    --radius-lg: 16px;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.35);
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
}

/* Base Reset & Box Sizing */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

.content {
    flex: 1;
    padding: 40px 24px;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
}

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

/* Header & Navigation */
.main-header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(8px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.brand-logo {
    font-size: clamp(1.2rem, 2.5vw, 1.4rem);
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: -0.5px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.main-nav form {
    display: inline-block;
    margin: 0;
}

.user-welcome {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-right: 12px;
}

/* Buttons - Einheitliches UI System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-width: 90px;
    height: 40px;
    padding: 0 18px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    border: 1px solid transparent;
    transition: all var(--transition-fast);
    white-space: nowrap;
    user-select: none;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: #ffffff;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.4);
}

.btn-secondary {
    background-color: var(--bg-input);
    color: var(--text-main);
    border-color: var(--border-color);
}

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

.btn-outline {
    border-color: var(--border-color);
    color: var(--text-main);
    background: transparent;
}

.btn-outline:hover {
    background-color: var(--bg-input);
    border-color: var(--border-color-hover);
}

.btn-danger {
    background-color: var(--danger);
    color: #ffffff;
}

.btn-danger:hover {
    background-color: var(--danger-hover);
    color: #ffffff;
}

/* Form Controls & Auth */
.auth-container {
    max-width: 440px;
    width: 100%;
    margin: 60px auto;
    background-color: var(--bg-card);
    padding: 36px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.auth-container.full-width {
    max-width: 100%;
    margin: 0 0 32px 0;
}

.auth-container h2,
.auth-container h3 {
    margin-bottom: 20px;
    text-align: left;
    font-size: 1.3rem;
    letter-spacing: -0.3px;
}

.auth-container h2.text-center {
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label,
.filter-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.form-group input,
.form-group select,
.form-group textarea,
.filter-group input,
.filter-group select,
.form-control {
    width: 100%;
    padding: 10px 14px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 0.95rem;
    font-family: inherit;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus,
.filter-group input:focus,
.filter-group select:focus,
.form-control:focus {
    outline: none;
    border-color: var(--primary);
    background-color: var(--bg-input-focus);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.auth-container button[type="submit"] {
    width: 100%;
    height: 44px;
    background-color: var(--primary);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    margin-top: 12px;
    transition: background-color var(--transition-fast);
}

.auth-container button[type="submit"]:hover {
    background-color: var(--primary-hover);
}

.auth-container p {
    margin-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Profil- & Avatar-Editor (Cropper) */
.profile-avatar-wrapper {
    text-align: center;
    margin-bottom: 20px;
}

.profile-avatar-img {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.profile-avatar-placeholder {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background-color: var(--bg-input);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    color: var(--text-muted);
    font-weight: bold;
    font-size: 1.5rem;
    border: 2px solid var(--border-color);
}

.cropper-container {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    margin-top: 15px;
    background-color: var(--bg-input);
    padding: 15px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.canvas-wrapper {
    position: relative;
    width: 250px;
    height: 250px;
    overflow: hidden;
    border-radius: 50%;
    border: 3px solid var(--primary);
    cursor: grab;
    background-color: #000;
}

.canvas-wrapper:active {
    cursor: grabbing;
}

#editorCanvas {
    display: block;
}

.cropper-controls {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.cropper-controls label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.cropper-controls input[type="range"] {
    width: 100%;
    cursor: pointer;
}

/* Filter Cards */
.filter-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-sm);
}

.filter-form {
    display: grid;
    grid-template-columns: 1fr auto auto;
    gap: 16px;
    align-items: end;
}

.filter-group {
    display: flex;
    flex-direction: column;
}

.filter-actions {
    display: flex;
    gap: 10px;
}

/* Split-Pane Inbox Layout & Postfach Ergänzungen */
.inbox-actions-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 16px;
}

.message-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

.tab-btn {
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.tab-btn:hover {
    color: var(--text-main);
    border-color: var(--border-color-hover);
}

.tab-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(79, 70, 229, 0.3);
}

.inbox-container {
    display: grid;
    grid-template-columns: 360px 1fr;
    gap: 24px;
    align-items: start;
    margin-top: 24px;
}

.inbox-sidebar {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    height: calc(100vh - 240px);
    min-height: 550px;
    box-shadow: var(--shadow-sm);
}

.inbox-search-bar {
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.12);
}

.inbox-filter-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-dark);
}

.inbox-tab {
    flex: 1;
    padding: 12px;
    text-align: center;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    background: transparent;
    border-top: none;
    border-left: none;
    border-right: none;
    cursor: pointer;
}

.inbox-tab:hover,
.inbox-tab.active {
    color: var(--text-main);
    border-bottom-color: var(--primary);
    background-color: var(--bg-card);
}

.inbox-list {
    overflow-y: auto;
    flex: 1;
}

.inbox-item {
    display: block;
    padding: 16px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-main);
    transition: background-color var(--transition-fast);
}

.inbox-item:hover {
    background-color: rgba(255, 255, 255, 0.03);
}

.inbox-item.active {
    background-color: var(--primary-light);
    border-left: 4px solid var(--primary);
}

.inbox-item.unread {
    font-weight: 600;
    background-color: rgba(255, 255, 255, 0.015);
}

.inbox-item-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.inbox-item-author {
    font-size: 0.95rem;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.inbox-item-date {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.inbox-item-subject {
    font-size: 0.85rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.inbox-reader {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 28px;
    min-height: 550px;
    box-shadow: var(--shadow-sm);
}

.inbox-reader-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 450px;
    color: var(--text-muted);
    text-align: center;
}

.inbox-reader-empty span {
    font-size: 3.5rem;
    margin-bottom: 12px;
    opacity: 0.8;
}

/* Single Message Display Components */
.message-detail-card {
    border-top: 4px solid var(--primary);
}

.message-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.message-detail-header h3 {
    color: var(--primary);
    margin: 0;
    font-size: 1.3rem;
}

.message-meta {
    background-color: var(--bg-input);
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.9rem;
}

.message-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
    margin-bottom: 6px;
}

.message-box {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-sm);
    padding: 20px;
    margin-bottom: 24px;
}

.message-subject {
    font-size: 1.15rem;
    color: var(--text-main);
    font-weight: 600;
}

.message-body {
    line-height: 1.7;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: 1rem;
    color: var(--text-main);
}

.message-actions-bar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 28px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

/* Badges & Alerts */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 0.75rem;
    border-radius: 20px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.badge-unread {
    background-color: var(--danger);
    color: #ffffff;
}

.badge-read {
    background-color: var(--bg-input);
    color: var(--text-muted);
}

.badge-sent {
    background-color: #8e44ad;
    color: #fff;
}

.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    font-size: 0.95rem;
    word-break: break-word;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-error {
    background-color: var(--danger-bg);
    border: 1px solid var(--danger);
    color: #fca5a5;
}

.alert-success {
    background-color: var(--success-bg);
    border: 1px solid var(--success);
    color: #86efac;
}

/* Dashboard Grid, Profile Cards & Hero */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.profile-info-list {
    list-style: none;
    padding: 0;
    color: var(--text-muted);
    font-size: 0.95rem;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
}

.profile-info-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.profile-info-list span.val {
    color: var(--text-main);
}

.status-verified {
    color: var(--success);
    font-weight: 500;
}

.status-unverified {
    color: var(--danger);
    font-weight: 500;
}

.hero {
    text-align: left;
    margin-bottom: 32px;
}

.hero h1 {
    font-size: clamp(1.75rem, 3vw, 2.4rem);
    margin-bottom: 8px;
    letter-spacing: -0.5px;
}

.hero p {
    color: var(--text-muted);
    font-size: clamp(0.95rem, 1.5vw, 1.1rem);
}

.toplists-section h2 {
    margin-bottom: 20px;
    font-size: 1.4rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.toplists-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}

.toplist-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.toplist-card.stretch {
    align-items: stretch;
}

.toplist-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-color-hover);
}

.toplist-card h3 {
    font-size: 1.25rem;
    margin-bottom: 6px;
    word-break: break-word;
}

.subdomain-link {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    word-break: break-all;
}

.empty-state {
    color: var(--text-muted);
    font-style: italic;
}

/* Tables & Data Presentation */
.table-responsive {
    width: 100%;
    overflow-x: auto;
    margin-top: 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
    background-color: var(--bg-card);
    -webkit-overflow-scrolling: touch;
}

table, .data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.95rem;
}

th, td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-color);
}

th {
    background-color: var(--bg-input);
    color: var(--text-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
}

tr.table-row-active {
    background-color: var(--primary-light);
}

tr:hover td {
    background-color: rgba(255, 255, 255, 0.02);
}

tr:last-child td {
    border-bottom: none;
}

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

.nowrap {
    white-space: nowrap;
}

/* Footer */
.main-footer {
    background-color: var(--bg-card);
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-top: auto;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
    .inbox-container {
        grid-template-columns: 300px 1fr;
        gap: 16px;
    }
}

@media (max-width: 992px) {
    .filter-form {
        grid-template-columns: 1fr 1fr;
    }

    .filter-actions {
        grid-column: span 2;
        justify-content: flex-end;
    }

    .inbox-container {
        grid-template-columns: 1fr;
    }

    .inbox-sidebar {
        height: 380px;
        min-height: auto;
    }

    .inbox-reader {
        min-height: 400px;
    }
}

@media (max-width: 768px) {
    .content {
        padding: 24px 16px;
    }

    .container {
        padding: 0 16px;
    }

    .auth-container {
        padding: 24px 20px;
        margin: 30px auto;
    }

    .filter-form {
        grid-template-columns: 1fr;
    }

    .filter-actions {
        grid-column: span 1;
        width: 100%;
    }

    .filter-actions .btn {
        flex: 1;
    }

    .message-actions-bar .btn,
    .message-actions-bar form {
        flex: 1 1 100%;
    }

    .message-actions-bar form .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .main-nav {
        gap: 8px;
    }

    .user-welcome {
        display: block;
        width: 100%;
        margin-right: 0;
        margin-bottom: 6px;
    }

    .btn {
        min-width: auto;
        padding: 0 14px;
        font-size: 0.85rem;
        height: 38px;
    }

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