@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
    --bg-app: #f8fafc;
    --bg-subtle: #f1f5f9;
    --surface: #ffffff;
    --surface-muted: #f8fafc;
    --surface-emphasis: #eff6ff;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --text-soft: #94a3b8;
    --border-main: #e2e8f0;
    --border-strong: #cbd5e1;
    --primary: #2563eb;
    --primary-soft: #dbeafe;
    --primary-hover: #1d4ed8;
    --success-soft: #dcfce7;
    --success-text: #166534;
    --warning-soft: #fef3c7;
    --warning-text: #92400e;
    --danger-soft: #fee2e2;
    --danger-text: #b91c1c;
    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.08);
    --scrollbar-thumb: rgba(100, 116, 139, 0.45);
    --scrollbar-thumb-hover: rgba(71, 85, 105, 0.6);
}

.dark {
    --bg-app: #0f172a;
    --bg-subtle: #111827;
    --surface: #111827;
    --surface-muted: #172033;
    --surface-emphasis: #14213d;
    --text-main: #e5edf8;
    --text-muted: #94a3b8;
    --text-soft: #64748b;
    --border-main: #233044;
    --border-strong: #334155;
    --primary: #60a5fa;
    --primary-soft: rgba(96, 165, 250, 0.18);
    --primary-hover: #93c5fd;
    --success-soft: rgba(34, 197, 94, 0.16);
    --success-text: #86efac;
    --warning-soft: rgba(245, 158, 11, 0.16);
    --warning-text: #fcd34d;
    --danger-soft: rgba(239, 68, 68, 0.16);
    --danger-text: #fca5a5;
    --shadow-sm: 0 1px 2px rgba(2, 6, 23, 0.35);
    --shadow-md: 0 14px 30px rgba(2, 6, 23, 0.38);
    --shadow-lg: 0 20px 40px rgba(2, 6, 23, 0.45);
    --scrollbar-thumb: rgba(148, 163, 184, 0.3);
    --scrollbar-thumb-hover: rgba(148, 163, 184, 0.45);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-app);
    color: var(--text-main);
    transition: background-color 0.2s ease, color 0.2s ease;
}

a,
button,
input,
select,
textarea {
    transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.app-shell {
    background: var(--bg-app);
}

.app-panel {
    background: var(--surface);
    border: 1px solid var(--border-main);
    box-shadow: var(--shadow-sm);
}

.app-card {
    background: var(--surface);
    border: 1px solid var(--border-main);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
}

.app-card-soft {
    background: var(--surface-muted);
    border: 1px solid var(--border-main);
    border-radius: 12px;
}

.app-sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border-main);
    box-shadow: var(--shadow-md);
}

.app-topbar {
    background: rgba(248, 250, 252, 0.92);
    border-bottom: 1px solid var(--border-main);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.dark .app-topbar {
    background: rgba(15, 23, 42, 0.92);
}

.app-button-primary {
    background: var(--primary);
    color: #ffffff;
    border: 1px solid transparent;
    box-shadow: var(--shadow-sm);
}

.app-button-primary:hover {
    background: var(--primary-hover);
}

.app-button-secondary {
    background: var(--surface);
    color: var(--text-main);
    border: 1px solid var(--border-main);
}

.app-button-secondary:hover {
    background: var(--surface-muted);
    border-color: var(--border-strong);
}

.app-icon-button {
    background: transparent;
    color: var(--text-muted);
    border: 1px solid transparent;
}

.app-icon-button:hover {
    background: var(--surface-muted);
    color: var(--text-main);
    border-color: var(--border-main);
}

.app-status {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1rem;
}

.app-status-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 999px;
    background: currentColor;
}

.app-status-success {
    background: var(--success-soft);
    color: var(--success-text);
}

.app-status-warning {
    background: var(--warning-soft);
    color: var(--warning-text);
}

.app-status-danger {
    background: var(--danger-soft);
    color: var(--danger-text);
}

.app-status-neutral {
    background: var(--surface-muted);
    color: var(--text-muted);
    border-color: var(--border-main);
}

.focus-ring:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.14);
}

.dark .focus-ring:focus-visible {
    box-shadow: 0 0 0 4px rgba(96, 165, 250, 0.18);
}

.custom-scrollbar::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

.custom-scrollbar::-webkit-scrollbar-track {
    background: transparent;
}

.custom-scrollbar::-webkit-scrollbar-thumb {
    background: var(--scrollbar-thumb);
    border-radius: 999px;
}

.custom-scrollbar::-webkit-scrollbar-thumb:hover {
    background: var(--scrollbar-thumb-hover);
}

::selection {
    background: rgba(37, 99, 235, 0.18);
    color: var(--text-main);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeIn {
    animation: fadeIn 0.3s ease-out forwards;
}