/* ============================================================
   DOMAIN MANAGER — Global Stylesheet
   Dark theme + Glassmorphism + Premium design
   ============================================================ */

/* --- CSS Variables --- */
:root {
    --bg-primary:      #070b14;
    --bg-secondary:    #0d1321;
    --bg-card:         rgba(255, 255, 255, 0.04);
    --bg-card-hover:   rgba(255, 255, 255, 0.07);
    --bg-input:        rgba(255, 255, 255, 0.06);
    --bg-sidebar:      #0a0f1e;

    --accent:          #3d84ff;
    --accent-light:    #6aa3ff;
    --accent-glow:     rgba(61, 132, 255, 0.25);
    --accent-gradient: linear-gradient(135deg, #3d84ff 0%, #7c3aed 100%);

    --success:         #22c55e;
    --success-bg:      rgba(34, 197, 94, 0.12);
    --warning:         #f59e0b;
    --warning-bg:      rgba(245, 158, 11, 0.12);
    --danger:          #ef4444;
    --danger-bg:       rgba(239, 68, 68, 0.12);
    --info:            #06b6d4;
    --info-bg:         rgba(6, 182, 212, 0.12);

    --text-primary:    #e2e8f0;
    --text-secondary:  #94a3b8;
    --text-muted:      #475569;
    --text-accent:     #3d84ff;

    --border:          rgba(255, 255, 255, 0.08);
    --border-accent:   rgba(61, 132, 255, 0.35);

    --sidebar-width:   260px;
    --topbar-height:   64px;
    --radius-sm:       8px;
    --radius-md:       12px;
    --radius-lg:       16px;
    --radius-xl:       24px;

    --shadow-sm:       0 1px 3px rgba(0,0,0,0.4);
    --shadow-md:       0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg:       0 8px 32px rgba(0,0,0,0.5);
    --shadow-accent:   0 4px 24px rgba(61, 132, 255, 0.3);

    --transition:      0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --font-mono:       'JetBrains Mono', monospace;
}

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html { scroll-behavior: smooth; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-light); }

/* --- Layout --- */
.layout {
    display: flex;
    min-height: 100vh;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 100;
    transition: transform var(--transition);
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border);
}

.brand-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    box-shadow: var(--shadow-accent);
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.brand-accent { color: var(--accent); }

.brand-sub {
    font-size: 10px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-top: 1px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 13px;
    transition: all var(--transition);
    overflow: hidden;
}

.nav-item:hover {
    background: var(--bg-card-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background: rgba(61, 132, 255, 0.12);
    color: var(--accent-light);
}

.nav-active-bar {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--accent);
    border-radius: 3px 0 0 3px;
}

.nav-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 12px 10px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    min-width: 0;
}

.user-avatar {
    width: 34px;
    height: 34px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    color: #fff;
    flex-shrink: 0;
}

.user-details {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    font-size: 11px;
    color: var(--text-muted);
}

.logout-btn {
    color: var(--text-muted);
    font-size: 18px;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    flex-shrink: 0;
}

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

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.topbar {
    height: var(--topbar-height);
    background: rgba(10, 15, 30, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 20px;
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: color var(--transition);
}

.page-title { flex: 1; }

.page-title h1 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
    line-height: 1.2;
}

.page-subtitle {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 1px;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.content-area {
    flex: 1;
    padding: 28px;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(8px);
    transition: border-color var(--transition), box-shadow var(--transition);
}

.card:hover {
    border-color: rgba(255,255,255,0.12);
}

.card-header {
    padding: 18px 22px 14px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.card-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body { padding: 20px 22px; }

/* ============================================================
   STAT CARDS (Dashboard)
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    right: 0; height: 2px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition);
}

.stat-card:hover::before { opacity: 1; }
.stat-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.stat-icon.blue   { background: rgba(61,132,255,0.15); color: var(--accent); }
.stat-icon.green  { background: var(--success-bg); color: var(--success); }
.stat-icon.yellow { background: var(--warning-bg); color: var(--warning); }
.stat-icon.red    { background: var(--danger-bg); color: var(--danger); }
.stat-icon.cyan   { background: var(--info-bg); color: var(--info); }
.stat-icon.purple { background: rgba(124,58,237,0.15); color: #a78bfa; }

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.stat-label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    white-space: nowrap;
    text-decoration: none;
    font-family: inherit;
}

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

.btn-primary {
    background: var(--accent-gradient);
    color: #fff;
    box-shadow: var(--shadow-accent);
}

.btn-primary:hover:not(:disabled) {
    filter: brightness(1.1);
    box-shadow: 0 6px 28px rgba(61, 132, 255, 0.45);
    transform: translateY(-1px);
    color: #fff;
}

.btn-secondary {
    background: var(--bg-card-hover);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

.btn-secondary:hover:not(:disabled) {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.15);
    color: var(--text-primary);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(239,68,68,0.2);
}

.btn-danger:hover:not(:disabled) {
    background: rgba(239,68,68,0.2);
    border-color: rgba(239,68,68,0.4);
}

.btn-success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(34,197,94,0.2);
}

.btn-success:hover:not(:disabled) {
    background: rgba(34,197,94,0.2);
}

.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 12px 28px;
    font-size: 15px;
}

.btn-icon {
    padding: 7px;
    width: 32px;
    height: 32px;
    justify-content: center;
}

.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

/* ============================================================
   FORMS
   ============================================================ */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-group:last-child { margin-bottom: 0; }

label {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="url"],
input[type="number"],
select,
textarea {
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 14px;
    padding: 10px 14px;
    width: 100%;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

input::placeholder,
textarea::placeholder {
    color: var(--text-muted);
}

select {
    cursor: pointer;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

textarea {
    resize: vertical;
    min-height: 100px;
    font-family: var(--font-mono);
    font-size: 13px;
}

.form-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 4px;
}

.input-wrapper {
    position: relative;
}

.input-eye {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 14px;
    transition: color var(--transition);
}

.input-eye:hover { color: var(--text-primary); }

/* ============================================================
   TABLES
   ============================================================ */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-md);
}

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

thead th {
    text-align: left;
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.6px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

tbody tr {
    border-bottom: 1px solid rgba(255,255,255,0.04);
    transition: background var(--transition);
}

tbody tr:hover { background: var(--bg-card-hover); }
tbody tr:last-child { border-bottom: none; }

tbody td {
    padding: 11px 14px;
    font-size: 13px;
    color: var(--text-primary);
    vertical-align: middle;
}

.domain-cell {
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--accent-light);
}

.url-cell {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.date-cell {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
}

.actions-cell {
    display: flex;
    gap: 6px;
    justify-content: flex-end;
}

.empty-state {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 40px;
    margin-bottom: 12px;
    opacity: 0.4;
}

.empty-state p {
    font-size: 14px;
    margin-top: 8px;
}

/* ============================================================
   BADGES / TAGS
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 3px 9px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.badge-success { background: var(--success-bg); color: var(--success); }
.badge-danger  { background: var(--danger-bg); color: var(--danger); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-info    { background: var(--info-bg); color: var(--info); }
.badge-accent  { background: rgba(61,132,255,0.15); color: var(--accent-light); }

/* ============================================================
   ALERTS / NOTICES
   ============================================================ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 20px;
}

.alert-success { background: var(--success-bg); color: var(--success); border: 1px solid rgba(34,197,94,0.2); }
.alert-danger  { background: var(--danger-bg); color: var(--danger); border: 1px solid rgba(239,68,68,0.2); }
.alert-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid rgba(245,158,11,0.2); }
.alert-info    { background: var(--info-bg); color: var(--info); border: 1px solid rgba(6,182,212,0.2); }

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    background: #1a2235;
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-size: 13px;
    color: var(--text-primary);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 260px;
    max-width: 380px;
    pointer-events: all;
    animation: slideInRight 0.3s ease;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.toast.hide {
    opacity: 0;
    transform: translateX(20px);
}

.toast-icon { font-size: 16px; flex-shrink: 0; }
.toast-msg  { flex: 1; }
.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger); }
.toast.info    { border-left: 3px solid var(--accent); }

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
}

.login-bg-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
}

.login-bg-orb-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(61,132,255,0.15) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: floatOrb 8s ease-in-out infinite;
}

.login-bg-orb-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(124,58,237,0.12) 0%, transparent 70%);
    bottom: -80px;
    left: -80px;
    animation: floatOrb 10s ease-in-out infinite reverse;
}

.login-card {
    background: rgba(13, 19, 33, 0.9);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    backdrop-filter: blur(20px);
    padding: 44px 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 1;
}

.login-brand {
    text-align: center;
    margin-bottom: 36px;
}

.login-brand-icon {
    width: 60px;
    height: 60px;
    background: var(--accent-gradient);
    border-radius: var(--radius-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-accent);
}

.login-brand h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.login-brand p {
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 4px;
}

.login-form { display: flex; flex-direction: column; gap: 16px; }

.login-submit {
    margin-top: 8px;
    width: 100%;
    justify-content: center;
    padding: 12px;
    font-size: 15px;
}

/* ============================================================
   GRID LAYOUTS
   ============================================================ */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 20px;
}

.gap-20 { gap: 20px; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-8  { gap: 8px; }
.gap-12 { gap: 12px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-24 { margin-bottom: 24px; }
.mt-16 { margin-top: 16px; }
.mt-20 { margin-top: 20px; }

.text-muted   { color: var(--text-muted) !important; }
.text-success { color: var(--success) !important; }
.text-danger  { color: var(--danger) !important; }
.text-accent  { color: var(--accent) !important; }
.text-sm { font-size: 12px; }
.text-mono { font-family: var(--font-mono); font-size: 12px; }
.fw-600 { font-weight: 600; }

/* ============================================================
   COPY URL BOX
   ============================================================ */
.copy-box {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    margin-bottom: 24px;
}

.copy-url {
    flex: 1;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--accent-light);
    word-break: break-all;
}

/* ============================================================
   LOG ENTRIES
   ============================================================ */
.log-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 260px;
    overflow-y: auto;
    padding: 4px 0;
}

.log-entry {
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--text-secondary);
    padding: 5px 8px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}

.log-entry:hover { background: var(--bg-card-hover); }

.log-time {
    color: var(--text-muted);
    margin-right: 8px;
}

/* ============================================================
   CRON CODE BOX
   ============================================================ */
.code-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 14px 16px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--success);
    overflow-x: auto;
    white-space: pre;
    word-break: break-all;
    white-space: pre-wrap;
}

/* ============================================================
   SEARCH INPUT
   ============================================================ */
.search-box {
    position: relative;
    max-width: 280px;
}

.search-box input {
    padding-left: 36px;
    font-size: 13px;
}

.search-icon {
    position: absolute;
    left: 11px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
}

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
    height: 1px;
    background: var(--border);
    margin: 20px 0;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes spin {
    to { transform: rotate(360deg); }
}

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

@keyframes floatOrb {
    0%, 100% { transform: translate(0, 0); }
    50%       { transform: translate(20px, 30px); }
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.5; transform: scale(1.3); }
}

.pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    animation: pulse-dot 2s ease-in-out infinite;
}

.pulse-dot.green { background: var(--success); }
.pulse-dot.red   { background: var(--danger); }

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-lg);
    }

    .main-content {
        margin-left: 0;
    }

    .sidebar-toggle {
        display: flex;
    }

    .grid-2, .grid-3 {
        grid-template-columns: 1fr;
    }

    .content-area {
        padding: 16px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .login-card {
        padding: 32px 24px;
        margin: 16px;
    }
}