/* ========================================
   VIRT24 MODERN DESIGN SYSTEM v2.1
   Mit Logo-Integration (Desktop & Mobile)
   ======================================== */

/* ============ CSS VARIABLES / DESIGN TOKENS ============ */
:root {
    /* ---- COLOR PALETTE ---- */
    --primary-gradient: linear-gradient(135deg, #0066ff 0%, #0044cc 100%);
    --secondary-gradient: linear-gradient(135deg, #74ABE2 0%, #5563DE 100%);
    --tertiary-gradient: linear-gradient(135deg, #5563DE 0%, #434db3 100%);
    
    --primary-base: #0066ff;
    --primary-dark: #0044cc;
    --primary-light: #4d99ff;
    
    --accent-green: #10b981;
    --accent-green-light: #d1fae5;
    --accent-red: #ef4444;
    --accent-red-light: #fee2e2;
    --accent-blue: #3b82f6;
    --accent-yellow: #f59e0b;
    
    /* ---- BACKGROUNDS ---- */
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    /* ---- TEXT COLORS ---- */
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --text-inverse: #ffffff;
    
    /* ---- BORDERS & DIVIDERS ---- */
    --border-color: #e2e8f0;
    --border-color-dark: #cbd5e1;
    --divider-color: #e2e8f0;
    
    /* ---- SHADOWS ---- */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.2);
    
    /* ---- BORDER RADIUS ---- */
    --radius-xs: 4px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 18px;
    --radius-full: 9999px;
    
    /* ---- SPACING ---- */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 20px;
    --spacing-2xl: 24px;
    --spacing-3xl: 32px;
    --spacing-4xl: 40px;
    
    /* ---- TRANSITIONS ---- */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
    
    /* ---- TYPOGRAPHY ---- */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    --font-mono: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    --font-size-xs: 12px;
    --font-size-sm: 13px;
    --font-size-base: 14px;
    --font-size-md: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 32px;
    --font-size-4xl: 36px;
    --line-height-tight: 1.2;
    --line-height-normal: 1.6;
    --line-height-relaxed: 1.8;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    line-height: var(--line-height-normal);
    font-size: var(--font-size-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============ UTILITY CLASSES ============ */
.hidden {
    display: none !important;
}

.visible {
    display: block !important;
}

.invisible {
    visibility: hidden;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============ HEADER / NAVIGATION ============ */
.header {
    background: var(--primary-gradient);
    color: var(--text-inverse);
    padding: var(--spacing-xl) var(--spacing-3xl);
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.5px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Logo im Header - OPTIMIERT */
.header .logo {
    max-width: 180px;
    width: auto;
    height: 50px;
    display: block;
    margin: 0;
    cursor: pointer;
    transition: transform var(--transition-normal);
}

.header .logo:hover {
    transform: scale(1.05);
}

.header-nav {
    display: flex;
    gap: var(--spacing-2xl);
    list-style: none;
}

.header-nav a {
    color: var(--text-inverse);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 600;
    opacity: 0.9;
    transition: opacity var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.header-nav a:hover {
    opacity: 1;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.user-menu:hover {
    background: rgba(255, 255, 255, 0.2);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
}

.icon-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-inverse);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.icon-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.icon-link img {
    width: 20px;
    height: 20px;
}

/* ============ MAIN CONTAINER ============ */
.container {
    max-width: 1600px;
    width: 95%;
    margin: var(--spacing-3xl) auto;
    padding: 0;
}

.page-container {
    width: 100%;
    min-height: calc(100vh - 200px);
}

/* ============ LOGO & BRANDING (Page Container) ============ */
.logo-container {
    text-align: center;
    margin: var(--spacing-2xl) 0;
}

.logo {
    max-width: 300px;
    width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
    cursor: pointer;
    transition: transform var(--transition-normal);
}

.logo:hover {
    transform: scale(1.02);
}

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

h1 {
    font-size: var(--font-size-4xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: var(--font-size-3xl);
}

h3 {
    font-size: var(--font-size-xl);
}

h4 {
    font-size: var(--font-size-md);
}

p {
    margin-bottom: var(--spacing-md);
}

small {
    font-size: var(--font-size-xs);
}

/* ============ FORMS & INPUTS ============ */
.selection-box,
.form-group,
.control-panel {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    justify-content: center;
    align-items: flex-end;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex: 1;
    min-width: 200px;
}

.form-label {
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

select,
input[type="text"],
input[type="password"],
input[type="email"],
input[type="search"],
input[type="number"],
textarea {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    width: 100%;
}

select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%230066ff' d='M0 0l6 8 6-8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-lg) center;
    padding-right: var(--spacing-3xl);
}

select::-ms-expand {
    display: none;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="search"]:focus,
input[type="number"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-base);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.select-wrapper {
    position: relative;
    width: 100%;
    max-width: 250px;
}

input[type="checkbox"],
input[type="radio"] {
    cursor: pointer;
    margin-right: var(--spacing-sm);
    vertical-align: middle;
}

/* ============ BUTTONS ============ */
button,
.btn,
input[type="submit"],
input[type="reset"],
input[type="button"] {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-family: var(--font-family);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    white-space: nowrap;
}

/* Primary Button */
.btn-primary,
button:not(.btn-secondary):not(.btn-danger):not(.btn-outline):not(.chart-btn):not(.tile-icon-btn),
input[type="submit"] {
    background: var(--primary-gradient);
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover,
button:not(.btn-secondary):not(.btn-danger):not(.btn-outline):not(.chart-btn):not(.tile-icon-btn):hover,
input[type="submit"]:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 102, 255, 0.3);
}

.btn-primary:active,
input[type="submit"]:active {
    transform: translateY(0);
}

/* Secondary Button */
.btn-secondary,
.button-container button {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover,
.button-container button:hover {
    background: var(--bg-primary);
    border-color: var(--primary-base);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.15);
}

/* Danger Button */
.btn-danger {
    background: var(--accent-red);
    color: var(--text-inverse);
    box-shadow: var(--shadow-sm);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(239, 68, 68, 0.3);
}

/* Outline Button */
.btn-outline {
    background: transparent;
    color: var(--primary-base);
    border: 2px solid var(--primary-base);
}

.btn-outline:hover {
    background: rgba(0, 102, 255, 0.05);
}

/* Small Button */
.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-xs);
}

/* Large Button */
.btn-lg {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-md);
}

/* Button Group */
.button-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.button-container {
    display: flex;
    gap: var(--spacing-md);
}

/* ============ CARDS & PANELS ============ */
.card,
.control-panel,
.table-wrapper,
.stat-card,
.chart-section,
.login-container,
.admin-container {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.card:hover,
.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-base);
}

.card-header {
    padding: var(--spacing-2xl);
    background: var(--primary-gradient);
    color: var(--text-inverse);
    font-weight: 700;
}

.card-body {
    padding: var(--spacing-2xl);
}

.card-footer {
    padding: var(--spacing-2xl);
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

/* ============ CONTROL PANEL ============ */
.control-panel {
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
    display: block;
}

.control-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.filter-row {
    display: flex;
    gap: var(--spacing-lg);
    align-items: flex-end;
    flex-wrap: wrap;
}

#action-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.right-buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

#table-filter {
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

/* ============ TABLES ============ */
.table-wrapper {
    margin-bottom: var(--spacing-xl);
    overflow: hidden;
}

.table-header {
    background: var(--secondary-gradient);
    color: var(--text-inverse);
    padding: var(--spacing-2xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-lg);
}

.table-header h2,
.table-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
}

.table-actions {
    display: flex;
    gap: var(--spacing-md);
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: var(--bg-secondary);
}

th {
    padding: var(--spacing-lg);
    text-align: left;
    font-size: var(--font-size-xs);
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 2px solid var(--border-color);
    background: var(--bg-secondary);
}

td {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    font-size: var(--font-size-base);
}

tbody tr {
    transition: background-color var(--transition-fast);
}

tbody tr:hover {
    background-color: rgba(0, 102, 255, 0.02);
}

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

/* Table text alignment */
th,
td {
    text-align: center;
}

td.left-align,
th.left-align {
    text-align: left;
}

td.right-align,
th.right-align {
    text-align: right;
}

/* Colored values in tables */
.price-positive {
    color: var(--accent-green);
    font-weight: 600;
}

.price-positive::before {
    content: "↑ ";
    margin-right: 4px;
}

.price-negative {
    color: var(--accent-red);
    font-weight: 600;
}

.price-negative::before {
    content: "↓ ";
    margin-right: 4px;
}

.ticker-badge {
    background: var(--bg-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--primary-base);
    font-size: var(--font-size-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ============ STAT CARDS ============ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.stat-value {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.stat-change {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-secondary);
}

/* ============ CHARTS ============ */
.chart-section {
    padding: var(--spacing-2xl);
    margin-bottom: var(--spacing-xl);
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.chart-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
}

#chart-buttons {
    width: 100%;
    margin-top: var(--spacing-lg);
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.chart-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-xs);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    color: var(--text-secondary);
}

.chart-btn:hover,
.chart-btn.active {
    background: var(--primary-gradient);
    color: var(--text-inverse);
    border-color: var(--primary-base);
}

.chart-container {
    width: 100%;
    margin: var(--spacing-xl) 0;
    padding: var(--spacing-lg);
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

#stockChart {
    width: 100%;
    max-height: 400px;
}

#chart-section {
    display: none;
}

#chart-section.visible {
    display: block;
}

/* ============ WATCHLIST TILES ============ */
.list-tiles,
.tiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.list-tile,
.tile {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.list-tile:hover,
.tile:hover {
    border-color: var(--primary-base);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.tile-name,
.tile-title {
    font-weight: 700;
    font-size: var(--font-size-md);
    color: var(--text-primary);
}

.tile-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.tile-count {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--primary-base);
}

.tile-icons {
    display: flex;
    gap: var(--spacing-md);
}

.tile-icon-btn,
.tile-icons img {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    font-size: var(--font-size-md);
    color: var(--text-secondary);
}

.tile-icon-btn:hover {
    background: var(--primary-base);
    color: var(--text-inverse);
}

/* ============ WATCHLIST SPECIFIC ============ */
.watchlist-header {
    text-align: center;
    margin: var(--spacing-3xl) 0 var(--spacing-xl);
}

.list-controls {
    margin-top: var(--spacing-lg);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.list-controls button,
.list-controls span {
    cursor: pointer;
}

.list-controls img {
    width: 32px;
    height: 32px;
    transition: transform var(--transition-fast);
}

.list-controls img:hover {
    transform: scale(1.1);
}

/* ============ BACK BUTTON ============ */
#back-button {
    display: none;
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    background: var(--accent-red);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

#back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(239, 68, 68, 0.3);
}

#back-button.visible {
    display: inline-block;
}

/* ============ ADMIN SPECIFIC ============ */
.admin-container {
    width: 80%;
    margin: var(--spacing-xl) auto;
    padding: var(--spacing-2xl);
    text-align: center;
    position: relative;
}

.admin-container .logo {
    max-width: 250px;
    margin-bottom: var(--spacing-2xl);
}

/* ============ LOGIN PAGE ============ */
.login-page {
    background: var(--secondary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--spacing-xl);
}

.login-container {
    width: 90%;
    max-width: 400px;
    padding: var(--spacing-3xl);
    text-align: center;
    background: var(--bg-primary);
    box-shadow: var(--shadow-lg);
}

.login-logo {
    margin-bottom: var(--spacing-2xl);
}

.login-logo img {
    max-width: 100%;
    height: auto;
    max-height: 120px;
}

.login-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-input {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-family);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-base);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

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

.login-checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-align: left;
    font-size: var(--font-size-sm);
}

.login-checkbox-group input[type="checkbox"] {
    cursor: pointer;
}

.login-button {
    padding: var(--spacing-md) var(--spacing-xl);
    background: var(--primary-gradient);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-md);
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.login-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(0, 102, 255, 0.3);
}

.error-message {
    color: var(--accent-red);
    background: var(--accent-red-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--accent-red);
}

.success-message {
    color: var(--accent-green);
    background: var(--accent-green-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    border-left: 4px solid var(--accent-green);
}

/* ============ SORT HANDLE ============ */
.action-cell {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.sort-handle {
    cursor: move;
    color: var(--text-secondary);
    font-weight: bold;
    font-size: var(--font-size-lg);
}

tr[draggable="true"] {
    cursor: move;
}

/* ============ ANIMATIONS ============ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.stat-card,
.tile,
.card {
    animation: fadeIn 0.6s ease-out;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

/* ============ RESPONSIVE DESIGN ============ */
@media (max-width: 1024px) {
    .header {
        padding: var(--spacing-lg) var(--spacing-2xl);
    }

    .header .logo {
        max-width: 160px;
        height: 45px;
    }

    .header-nav {
        gap: var(--spacing-lg);
    }

    .header-nav a {
        font-size: var(--font-size-xs);
    }
}

/* ============ RESPONSIVE HEADER - DESKTOP & MOBILE ============ */
@media (min-width: 769px) {
    /* Desktop: Text zeigen, Icons verstecken */
    .header-nav.desktop {
        display: flex;
    }
    .header-nav.mobile {
        display: none;
    }
}

@media (max-width: 768px) {
    .header {
        padding: var(--spacing-lg) var(--spacing-xl);
        flex-direction: row;
        gap: var(--spacing-md);
        justify-content: space-between;
        align-items: center;
    }

    .header-left {
        gap: var(--spacing-md);
        width: auto;
        justify-content: flex-start;
    }

    .header .logo {
        max-width: 140px;
        height: 40px;
    }

    /* Mobile: Text verstecken, Icons zeigen */
    .header-nav.desktop {
        display: none;
    }
    
    .header-nav.mobile {
        display: flex;
        gap: var(--spacing-xs);
    }
    
    .header-nav.mobile a {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 18px;
        color: white;
        opacity: 0.9;
        filter: brightness(1.2);
    }
    
    .header-nav.mobile a:hover {
        opacity: 1;
        filter: brightness(1.3);
    }

    .container {
        width: 100%;
        padding: 0 var(--spacing-lg);
    }

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

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: var(--spacing-lg);
    }

    .list-tiles,
    .tiles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }

    #action-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .right-buttons {
        flex-direction: column;
        width: 100%;
    }

    .right-buttons button {
        width: 100%;
    }

    #table-filter {
        width: 100%;
        max-width: 100%;
    }

    table {
        font-size: var(--font-size-xs);
    }

    th,
    td {
        padding: var(--spacing-md);
    }

    .desktop-only {
        display: none;
    }

    .mobile-only {
        display: table-cell;
    }

    tr.expanded .desktop-only {
        display: table-cell !important;
    }

    h1 {
        font-size: var(--font-size-2xl);
    }

    .admin-container {
        width: 100%;
        padding: var(--spacing-lg);
    }

    .chart-header {
        flex-direction: column;
        align-items: flex-start;
    }

    #chart-buttons {
        justify-content: flex-start;
    }

    .chart-btn {
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 600px) {
    .header {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    .header-left {
        width: 100%;
    }

    .header .logo {
        max-width: 120px;
        height: 35px;
    }

    .list-tiles,
    .tiles-grid {
        grid-template-columns: 1fr;
    }

    .button-group {
        flex-direction: column;
    }

    .button-group button,
    .button-container button {
        width: 100%;
    }

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

    select,
    input[type="text"],
    input[type="search"] {
        padding: var(--spacing-md) var(--spacing-lg);
    }

    select {
        padding-right: var(--spacing-3xl);
    }

    .logo-container {
        margin: var(--spacing-lg) 0;
    }

    .logo {
        max-width: 250px;
    }
}

/* ============ PRINT STYLES ============ */
@media print {
    .header,
    #back-button,
    .control-panel,
    .right-buttons,
    .chart-buttons {
        display: none;
    }

    .container {
        box-shadow: none;
        margin: 0;
    }

    table {
        page-break-inside: avoid;
    }

    tr {
        page-break-inside: avoid;
    }
}

/* ============ ACCESSIBILITY ============ */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

@media (prefers-color-scheme: dark) {
    /* Optional: Add dark mode support in future */
}

/* Logout Icon WEISS */
.logout-link img {
    filter: invert(1) brightness(1.5);
}