:root {
    --bg-color: #0f172a;
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --glass-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    
    --primary: #3b82f6;
    --primary-hover: #2563eb;
    --accent: #10b981;
    --accent-hover: #059669;
    --danger: #ef4444;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --border-radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    box-shadow: var(--glass-shadow);
}

.app-container {
    display: flex;
    width: 100%;
    height: 100vh;
    padding: 1rem;
    gap: 1rem;
}

/* Sidebar */
.sidebar {
    width: 280px;
    display: flex;
    flex-direction: column;
    padding: 1.5rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 3rem;
    color: var(--primary);
}

.brand h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.icon {
    width: 24px;
    height: 24px;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    border-radius: 12px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1rem;
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: left;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-main);
}

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

.mt-auto { margin-top: auto; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    border: none;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-main);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.15);
}

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

.btn-accent:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.view {
    display: none;
    flex-direction: column;
    height: 100%;
    animation: fadeIn 0.3s ease-out;
}

.view.active {
    display: flex;
}

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

.header {
    margin-bottom: 2rem;
    padding: 0 1rem;
}

.header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

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

.layout-split {
    display: flex;
    gap: 1.5rem;
    flex: 1;
    overflow: hidden;
}

.server-list {
    width: 350px;
    padding: 1.5rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.server-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1.25rem;
    transition: var(--transition);
    cursor: pointer;
}

.server-card:hover {
    background: rgba(255, 255, 255, 0.06);
    transform: translateY(-2px);
}

.server-card.selected {
    border-color: var(--primary);
    background: rgba(59, 130, 246, 0.1);
}

.server-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.server-name {
    font-weight: 600;
    font-size: 1.1rem;
}

.status-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.1);
}

.status-badge.mounted {
    background: rgba(16, 185, 129, 0.2);
    color: var(--accent);
}

.server-details {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

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

/* File Explorer */
.file-explorer {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.explorer-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.2);
}

.breadcrumbs {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    color: var(--text-muted);
}

.crumb {
    cursor: pointer;
    transition: var(--transition);
}

.crumb:hover { color: var(--primary); }
.crumb.current { color: var(--text-main); font-weight: 500; }

.explorer-body {
    flex: 1;
    overflow-y: auto;
    padding: 1rem;
}

.file-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
}

.file-item:hover {
    background: rgba(255, 255, 255, 0.05);
}

.file-item.selected {
    background: rgba(16, 185, 129, 0.15);
}

.file-icon {
    width: 24px;
    height: 24px;
    margin-right: 1rem;
    color: var(--primary);
}

.file-name {
    flex: 1;
}

.file-checkbox {
    margin-left: 1rem;
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 100;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.modal {
    width: 100%;
    max-width: 500px;
    padding: 2rem;
    transform: translateY(20px);
    transition: var(--transition);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.form-row .form-group {
    flex: 1;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    border: 1px solid var(--glass-border);
    background: rgba(0, 0, 0, 0.2);
    color: white;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    margin-top: 2rem;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    padding: 1rem 1.5rem;
    border-radius: 8px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: white;
    box-shadow: var(--glass-shadow);
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition);
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success { border-left: 4px solid var(--accent); }
.toast.error { border-left: 4px solid var(--danger); }

/* Logs View */
.logs-container {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
}

.log-item {
    padding: 1rem;
    border-bottom: 1px solid var(--glass-border);
}
.log-item:last-child { border-bottom: none; }
.log-time { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 0.25rem; }
.log-message { white-space: pre-wrap; font-family: monospace; font-size: 0.9rem; }
.log-success { color: var(--accent); }
.log-error { color: var(--danger); }

.empty-state {
    text-align: center;
    color: var(--text-muted);
    margin-top: 4rem;
}