/* ==========================================================================
   Admin Panel Styles — monochrome, clean, mobile-friendly
   ========================================================================== */

:root {
    --bg: #0a0a0e;
    --bg-card: #14141a;
    --bg-input: #1a1a22;
    --text: #e4e4ec;
    --text-secondary: #9999aa;
    --text-muted: #66667a;
    --border: rgba(255,255,255,0.08);
    --border-focus: rgba(255,255,255,0.2);
    --danger: #e05555;
    --danger-bg: rgba(224,85,85,0.1);
    --success: #4ade80;
    --success-bg: rgba(74,222,128,0.1);
    --radius: 8px;
    --font: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
}

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

html { -webkit-font-smoothing: antialiased; }
body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    font-size: 15px;
    min-height: 100vh;
}
.hidden { display: none !important; }

/* ==========================================================================
   LOGIN PAGE
   ========================================================================== */
.login-wrapper {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    padding: 24px;
}
.login-card {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; padding: 40px; width: 100%; max-width: 440px;
}
.login-card h1 {
    font-size: 1.6rem; font-weight: 700; margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}
.login-card .login-sub {
    font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 2rem;
}

.form-group { margin-bottom: 1.25rem; }
.form-group label {
    display: block; font-size: 0.72rem; font-weight: 600;
    letter-spacing: 0.1em; text-transform: uppercase;
    color: var(--text-muted); margin-bottom: 0.4rem;
}
.form-group input {
    width: 100%; padding: 12px 16px;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius); color: var(--text);
    font-family: var(--font); font-size: 0.95rem; outline: none;
    transition: border 0.2s;
}
.form-group input:focus { border-color: var(--border-focus); }

.login-error {
    background: var(--danger-bg); border: 1px solid rgba(224,85,85,0.3);
    color: var(--danger); padding: 10px 14px; border-radius: var(--radius);
    font-size: 0.85rem; margin-bottom: 1rem; display: none;
}

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 24px; border: none; border-radius: var(--radius);
    font-family: var(--font); font-size: 0.9rem; font-weight: 600;
    cursor: pointer; letter-spacing: 0.03em;
    transition: all 0.2s;
}
.btn-primary { background: var(--text); color: var(--bg); width: 100%; }
.btn-primary:hover { opacity: 0.85; }
.btn-secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-secondary:hover { border-color: var(--border-focus); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { opacity: 0.85; }
.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }

/* ==========================================================================
   ADMIN PANEL
   ========================================================================== */
.admin-layout {
    display: flex; min-height: 100vh;
}
.admin-sidebar {
    width: 260px; background: var(--bg-card); border-right: 1px solid var(--border);
    padding: 20px; display: flex; flex-direction: column; gap: 8px;
    flex-shrink: 0;
}
.admin-main { flex: 1; padding: 20px 28px; overflow-y: auto; }

.sidebar-header {
    font-size: 1rem; font-weight: 700; padding: 8px 12px;
    margin-bottom: 8px; letter-spacing: 0.02em;
}
.sidebar-nav {
    display: flex; flex-direction: column; gap: 2px;
}
.sidebar-nav a, .sidebar-nav button {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; border-radius: var(--radius);
    font-size: 0.88rem; color: var(--text-secondary);
    text-decoration: none; background: transparent; border: none;
    cursor: pointer; font-family: var(--font); width: 100%; text-align: left;
    transition: all 0.15s;
}
.sidebar-nav a:hover, .sidebar-nav button:hover { background: rgba(255,255,255,0.04); color: var(--text); }
.sidebar-nav a.active { background: rgba(255,255,255,0.06); color: var(--text); font-weight: 600; }

/* ---- File Browser ---- */
.file-browser {  }
.file-browser h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 1.25rem; }

.file-tree {  }
.file-item {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 14px; border: 1px solid var(--border);
    border-radius: var(--radius); margin-bottom: 4px;
    cursor: pointer; transition: all 0.15s; gap: 12px;
}
.file-item:hover { background: rgba(255,255,255,0.03); border-color: var(--border-focus); }
.file-item .file-icon { font-size: 1rem; flex-shrink: 0; }
.file-item .file-name {
    flex: 1; font-size: 0.9rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    font-family: var(--font-mono); font-size: 0.82rem;
}
.file-item .file-meta { font-size: 0.72rem; color: var(--text-muted); flex-shrink: 0; }
.file-item.directory .file-name { font-weight: 600; font-family: var(--font); font-size: 0.88rem; }
.file-actions { display: flex; gap: 4px; flex-shrink: 0; }

/* ---- Editor ---- */
.editor-wrapper {  }
.editor-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 1rem; gap: 12px; flex-wrap: wrap;
}
.editor-header h2 { font-size: 1.1rem; font-weight: 600; font-family: var(--font-mono); }
.editor-actions { display: flex; gap: 8px; }

.editor-textarea {
    width: 100%; min-height: 55vh; padding: 20px;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius); color: var(--text);
    font-family: var(--font-mono); font-size: 0.9rem;
    line-height: 1.7; outline: none; resize: vertical;
    transition: border 0.2s;
}
.editor-textarea:focus { border-color: var(--border-focus); }

/* ---- New file form ---- */
.new-file-form {
    display: flex; gap: 8px; margin-bottom: 1.5rem; flex-wrap: wrap;
}
.new-file-form input {
    flex: 1; min-width: 200px; padding: 10px 14px;
    background: var(--bg-input); border: 1px solid var(--border);
    border-radius: var(--radius); color: var(--text);
    font-family: var(--font); font-size: 0.9rem; outline: none;
}
.new-file-form input:focus { border-color: var(--border-focus); }

/* ---- Confirm Modal ---- */
.confirm-overlay {
    position: fixed; inset: 0; z-index: 9999;
    background: rgba(0,0,0,0.75); backdrop-filter: blur(4px);
    display: flex; align-items: center; justify-content: center;
    opacity: 0; visibility: hidden; transition: all 0.2s;
}
.confirm-overlay.open { opacity: 1; visibility: visible; }
.confirm-dialog {
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: 12px; padding: 32px; max-width: 420px; width: calc(100% - 40px);
}
.confirm-dialog h3 { font-size: 1.15rem; margin-bottom: 0.75rem; }
.confirm-dialog p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 1.5rem; line-height: 1.6; }
.confirm-dialog .confirm-actions { display: flex; gap: 10px; }

/* ---- Events Viewer ---- */
.events-viewer {  }
.events-viewer h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: 1rem; }
.event-tabs { display: flex; gap: 6px; margin-bottom: 1.5rem; }
.event-tab {
    padding: 8px 18px; border: 1px solid var(--border); border-radius: 20px;
    font-size: 0.82rem; cursor: pointer; background: transparent; color: var(--text-secondary);
    font-family: var(--font); transition: all 0.15s;
}
.event-tab.active { background: rgba(255,255,255,0.06); color: var(--text); border-color: var(--border-focus); }

.event-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
.event-table th {
    text-align: left; padding: 10px 14px;
    font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em;
    text-transform: uppercase; color: var(--text-muted);
    border-bottom: 1px solid var(--border);
}
.event-table td {
    padding: 10px 14px; border-bottom: 1px solid var(--border);
    color: var(--text-secondary); font-size: 0.82rem;
}
.event-table tr:hover td { background: rgba(255,255,255,0.02); }
.event-table .event-success { color: var(--success); }
.event-table .event-fail { color: var(--danger); }
.event-table code { font-family: var(--font-mono); font-size: 0.8rem; background: rgba(255,255,255,0.04); padding: 2px 6px; border-radius: 3px; }

/* ---- Top Bar (mobile) ---- */
.top-bar {
    display: none; align-items: center; justify-content: space-between;
    padding: 12px 16px; background: var(--bg-card);
    border-bottom: 1px solid var(--border);
}
.top-bar .menu-btn { background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; padding: 4px; }

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 768px) {
    .admin-layout { flex-direction: column; }
    .admin-sidebar {
        width: 100%; position: fixed; top: 0; left: 0; height: 100vh; z-index: 100;
        transform: translateX(-100%); transition: transform 0.3s ease;
    }
    .admin-sidebar.open { transform: translateX(0); }
    .admin-main { padding: 16px; }
    .top-bar { display: flex; }
    .editor-header { flex-direction: column; align-items: flex-start; }
    .login-card { padding: 28px 20px; }
    .event-table { font-size: 0.78rem; }
    .event-table th, .event-table td { padding: 8px 10px; }
}

@media (max-width: 480px) {
    .file-item { flex-wrap: wrap; }
    .file-item .file-meta { width: 100%; }
    .new-file-form { flex-direction: column; }
}