/* ===========================
   GAMEPANEL - DESIGN SYSTEM v2
   Modern, Professional Dark Theme
   =========================== */

/* --- 1. CSS VARIABLEN --- */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-glow: rgba(99, 102, 241, 0.15);
    --primary-glow-strong: rgba(99, 102, 241, 0.3);

    --accent: #06b6d4;
    --accent-light: #22d3ee;

    --bg-base: #111318;
    --bg-surface: #171a21;
    --bg-card: #1e2028;
    --bg-elevated: #262830;
    --bg-hover: #2e3039;

    --text-primary: #f0f0f3;
    --text-secondary: #a8a9b4;
    --text-muted: #7c7d8a;
    --text-dim: #5a5b66;

    --success: #22c55e;
    --success-bg: rgba(34, 197, 94, 0.12);
    --success-border: rgba(34, 197, 94, 0.3);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --danger-border: rgba(239, 68, 68, 0.3);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --warning-border: rgba(245, 158, 11, 0.3);
    --info: #3b82f6;
    --info-bg: rgba(59, 130, 246, 0.12);
    --info-border: rgba(59, 130, 246, 0.3);

    --border: #2d2f3a;
    --border-light: #3d3f4d;
    --border-accent: rgba(99, 102, 241, 0.35);

    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.7);
    --shadow-glow: 0 0 40px var(--primary-glow);

    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* --- 2. RESET & BASE --- */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    font-size: 15px;
    height: 100%;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

@media (min-width: 768px) {
    html { font-size: 16px; }
}

body {
    background-color: var(--bg-base);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
}

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

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

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

/* --- 3. NAVIGATION --- */
.navbar {
    background: rgba(23, 26, 33, 0.9) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border) !important;
    padding: 0.6rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.5px;
    color: var(--text-primary) !important;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: opacity var(--transition-fast);
}

.navbar-brand:hover {
    opacity: 0.8;
}

.navbar-brand .text-primary {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 1rem !important;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary) !important;
    background: var(--bg-hover);
}

.nav-link.active {
    color: var(--primary-light) !important;
    background: var(--primary-glow);
}

.navbar .btn-link {
    font-size: 0.9rem;
    font-weight: 500;
}

/* User Badge in Navbar */
.nav-user-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0.75rem;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
}

.nav-user-badge i {
    color: var(--primary-light);
}

/* --- 4. BUTTONS --- */
.btn {
    font-weight: 600;
    border-radius: var(--radius-md);
    padding: 0.55rem 1.25rem;
    font-size: 0.9rem;
    transition: all var(--transition-smooth);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.4);
    transform: translateY(-1px);
    color: white;
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-success {
    background: var(--success);
    color: white;
    box-shadow: 0 2px 8px rgba(34, 197, 94, 0.3);
}

.btn-success:hover {
    background: #16a34a;
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.4);
    transform: translateY(-1px);
    color: white;
}

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

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
    color: white;
}

.btn-outline-primary {
    color: var(--primary-light);
    border: 1.5px solid var(--border-accent);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--primary-glow);
    border-color: var(--primary);
    color: var(--primary-light);
    transform: translateY(-1px);
}

.btn-outline-secondary {
    color: var(--text-secondary);
    border: 1.5px solid var(--border);
    background: transparent;
}

.btn-outline-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-light);
    color: var(--text-primary);
}

.btn-outline-success {
    color: var(--success);
    border: 1.5px solid var(--success-border);
    background: transparent;
}

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

.btn-outline-warning {
    color: var(--warning);
    border: 1.5px solid var(--warning-border);
    background: transparent;
}

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

.btn-outline-danger {
    color: var(--danger);
    border: 1.5px solid var(--danger-border);
    background: transparent;
}

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

.btn-outline-light {
    color: var(--text-primary);
    border: 1.5px solid var(--border-light);
    background: transparent;
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.btn-lg {
    padding: 0.75rem 1.75rem;
    font-size: 1rem;
    border-radius: var(--radius-lg);
}

.btn-sm {
    padding: 0.35rem 0.75rem;
    font-size: 0.8rem;
    border-radius: var(--radius-sm);
}

/* --- 5. FORMS --- */
.form-control,
.form-select {
    background-color: var(--bg-elevated);
    border: 1.5px solid var(--border);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    padding: 0.65rem 1rem;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
}

.form-control::placeholder {
    color: var(--text-dim);
}

.form-control:focus,
.form-select:focus {
    background-color: var(--bg-card);
    border-color: var(--primary);
    color: var(--text-primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.form-label {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.4rem;
}

.form-text {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.form-check-input {
    background-color: var(--bg-elevated);
    border-color: var(--border-light);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-check-label {
    color: var(--text-secondary);
}

.input-group-text {
    background-color: var(--bg-elevated);
    border-color: var(--border);
    color: var(--text-muted);
}

/* --- 6. CARDS --- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-smooth);
    overflow: hidden;
}

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

.card-header {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
    font-weight: 600;
    padding: 1rem 1.25rem;
}

.card-body {
    padding: 1.25rem;
}

.card-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    padding: 0.75rem 1.25rem;
}

.card-title {
    color: var(--text-primary);
    font-weight: 700;
}

.card-text {
    color: var(--text-secondary);
}

/* --- 7. TABLES --- */
.table {
    color: var(--text-primary);
    border-color: var(--border);
    --bs-table-bg: transparent;
}

.table thead {
    border-bottom: 2px solid var(--border);
}

.table thead th {
    background: var(--bg-elevated);
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.75px;
    padding: 0.85rem 1rem;
    border: none;
}

.table tbody tr {
    border-bottom: 1px solid var(--border);
    transition: background-color var(--transition-fast);
}

.table tbody tr:hover {
    background-color: var(--bg-hover);
}

.table td {
    padding: 0.85rem 1rem;
    vertical-align: middle;
    border: none;
}

/* --- 8. BADGES --- */
.badge {
    padding: 0.35rem 0.7rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.3px;
}

.bg-success {
    background: var(--success-bg) !important;
    color: var(--success) !important;
    border: 1px solid var(--success-border);
}

.bg-danger {
    background: var(--danger-bg) !important;
    color: var(--danger) !important;
    border: 1px solid var(--danger-border);
}

.bg-warning {
    background: var(--warning-bg) !important;
    color: var(--warning) !important;
    border: 1px solid var(--warning-border);
}

.bg-info {
    background: var(--info-bg) !important;
    color: var(--info) !important;
    border: 1px solid var(--info-border);
}

.bg-secondary {
    background: var(--bg-elevated) !important;
    color: var(--text-secondary) !important;
    border: 1px solid var(--border);
}

/* --- 9. ALERTS --- */
.alert {
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
    border-width: 1px;
}

.alert-success {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success);
}

.alert-danger {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--danger);
}

.alert-warning {
    background: var(--warning-bg);
    border-color: var(--warning-border);
    color: var(--warning);
}

.alert-info {
    background: var(--info-bg);
    border-color: var(--info-border);
    color: var(--info);
}

/* --- 10. MODALS --- */
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.modal-header {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
}

.modal-title {
    color: var(--text-primary);
    font-weight: 700;
}

.modal-body {
    color: var(--text-primary);
    padding: 1.5rem;
}

.modal-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    padding: 1rem 1.5rem;
}

.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.5;
    transition: opacity var(--transition-fast);
}

.btn-close:hover {
    opacity: 1;
}

/* --- 11. PROGRESS --- */
.progress {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    height: 8px;
    overflow: hidden;
    padding: 0;
}

.progress-bar {
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: inherit;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
    color: white;
    transition: width 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 100%;
    position: relative;
}

/* Animated Shimmer statt Bootstrap-Streifen */
.progress-bar-animated {
    background-image: none !important;
    animation: none !important;
}

.progress-bar-animated::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.15) 50%,
        transparent 100%
    );
    animation: shimmer 2s ease-in-out infinite;
    border-radius: inherit;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Große Progress-Bar (z.B. Server-Erstellung) */
.progress-lg {
    height: 32px;
    border-radius: var(--radius-md);
}

.progress-lg .progress-bar {
    border-radius: var(--radius-md);
}

/* --- 12. PAGINATION --- */
.pagination {
    display: flex;
    gap: 0.25rem;
    justify-content: center;
    margin: 1.5rem 0;
}

.page-link {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    padding: 0.45rem 0.75rem;
    font-size: 0.85rem;
    font-weight: 500;
    min-width: 38px;
    text-align: center;
    transition: all var(--transition-fast);
}

.page-link:hover {
    background: var(--bg-hover);
    border-color: var(--primary);
    color: var(--primary-light);
}

.page-item.active .page-link {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
    font-weight: 600;
}

.page-item.disabled .page-link {
    background: var(--bg-surface);
    color: var(--text-dim);
    opacity: 0.5;
}

/* --- 13. FOOTER --- */
footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    padding: 1.25rem 0;
    font-size: 0.85rem;
    text-align: center;
}

/* --- 14. AUTH PAGES (Login/Register) --- */
.auth-wrapper {
    min-height: calc(100vh - 130px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.auth-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 420px;
    overflow: hidden;
}

.auth-card-header {
    padding: 2rem 2rem 0;
    text-align: center;
}

.auth-card-header .auth-logo {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.auth-card-header h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.auth-card-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.auth-card-body {
    padding: 1.5rem 2rem 2rem;
}

.auth-card-footer {
    background: var(--bg-surface);
    border-top: 1px solid var(--border);
    padding: 1rem 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.auth-card-footer a {
    color: var(--primary-light);
    font-weight: 600;
}

/* --- 15. SERVER CARDS (Dashboard) --- */
.server-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition-smooth);
    overflow: hidden;
}

.server-card:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-md), var(--shadow-glow);
    transform: translateY(-2px);
}

.server-card .card-header {
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.25rem;
}

.server-address {
    background: var(--bg-base);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.75rem;
    font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.server-address .addr {
    color: var(--accent-light);
    font-weight: 600;
}

/* --- 16. EMPTY STATE --- */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
}

.empty-state-icon {
    font-size: 4rem;
    color: var(--text-dim);
    margin-bottom: 1.5rem;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-muted);
    max-width: 400px;
    margin: 0 auto 2rem;
}

/* --- 17. UTILITIES --- */
.text-primary {
    color: var(--primary-light) !important;
}

.text-success {
    color: var(--success) !important;
}

.text-danger {
    color: var(--danger) !important;
}

.text-warning {
    color: var(--warning) !important;
}

.text-info {
    color: var(--accent-light) !important;
}

.text-muted {
    color: var(--text-muted) !important;
}

.text-secondary {
    color: var(--text-secondary) !important;
}

.bg-dark, .bg-dark-custom {
    background-color: var(--bg-surface) !important;
}

.border-secondary {
    border-color: var(--border) !important;
}

.shadow-sm {
    box-shadow: var(--shadow-sm) !important;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glass Effect */
.glass {
    background: rgba(23, 26, 33, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.06);
}

/* --- 18. SCROLLBAR --- */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-light);
    border-radius: var(--radius-full);
}

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

/* --- 19. ANIMATIONS --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px var(--primary-glow); }
    50% { box-shadow: 0 0 40px var(--primary-glow-strong); }
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.animate-fade-in { animation: fadeIn 0.4s ease; }
.animate-slide-up { animation: slideUp 0.5s ease; }
.animate-float { animation: float 3s ease-in-out infinite; }
.spin-icon { animation: spin 0.8s linear infinite; }
/* --- 20. RESPONSIVE --- */
@media (max-width: 768px) {
    .btn:not(.btn-sm):not(.btn-link) {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    .auth-card {
        margin: 1rem;
    }

    .auth-card-body,
    .auth-card-header {
        padding-left: 1.5rem;
        padding-right: 1.5rem;
    }
}