/* ─── Variables — base (sidebar always dark, content follows theme) ──────── */
:root {
    /* Sidebar — always dark navy regardless of theme */
    --sidebar-bg:             #0d0d1f;
    --sidebar-border:         rgba(255,255,255,0.07);
    --nav-item-color:         #8888aa;
    --nav-item-hover-bg:      rgba(255,255,255,0.06);
    --nav-item-active-bg:     rgba(123,47,255,0.18);
    --nav-item-active-color:  #a374ff;

    /* Brand */
    --primary-color:          #7b2fff;
    --primary-hover:          #6620e0;
    --danger-color:           #e05260;
    --success-color:          #22c55e;
    --warning-color:          #f59e0b;

    /* Content area — dark by default */
    --bg-color:               #13131f;
    --text-color:             #d8d8e8;
    --header-color:           #fff;
    --card-bg:                #1c1c2e;
    --card-border:            rgba(255,255,255,0.08);
    --input-bg:               #0d0d1f;
    --input-border:           rgba(255,255,255,0.12);
    --input-text:             #e0e0f0;
    --table-bg:               #1c1c2e;
    --table-header-bg:        #16162a;
    --table-row-even:         #191928;
    --table-row-hover:        rgba(123,47,255,0.07);
    --secondary-text:         #7878a0;
    --shadow-color:           rgba(0,0,0,0.5);
    --border-radius:          8px;
    --code-bg:                #0a0a18;
    --code-text:              #22c55e;
    --color-ookla:            #1a96d4;
    --color-librespeed:       #e05260;
    --border-color:           rgba(255,255,255,0.08);
    --hover-bg:               rgba(255,255,255,0.05);
    --active-bg:              rgba(123,47,255,0.18);
    --main-bg:                #13131f;
}

/* ─── Light content area ─────────────────────────────────────────────────── */
[data-theme="light"] {
    --bg-color:               #f0f0f8;
    --text-color:             #1a1a2e;
    --header-color:           #0d0d1f;
    --card-bg:                #ffffff;
    --card-border:            #e2e2ee;
    --input-bg:               #ffffff;
    --input-border:           #cccce0;
    --input-text:             #1a1a2e;
    --table-bg:               #ffffff;
    --table-header-bg:        #f5f5fc;
    --table-row-even:         #f9f9fd;
    --table-row-hover:        rgba(123,47,255,0.05);
    --secondary-text:         #6666888;
    --shadow-color:           rgba(0,0,0,0.08);
    --code-bg:                #f0f0f8;
    --code-text:              #16a34a;
    --border-color:           #e2e2ee;
    --hover-bg:               #f0f0f8;
    --active-bg:              rgba(123,47,255,0.08);
    --main-bg:                #f0f0f8;
    --secondary-text:         #6a6a8a;
}

/* ─── Reset ─────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    font-weight: 400;
    background: var(--bg-color);
    color: var(--text-color);
    display: flex;
    min-height: 100vh;
}

a { color: var(--primary-color); text-decoration: none; }
a:hover { text-decoration: underline; }

code, .mono {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
    font-size: 0.85em;
    background: var(--code-bg);
    color: var(--code-text);
    padding: 2px 6px;
    border-radius: 4px;
}

/* ─── Sidebar (always dark) ──────────────────────────────────────────────── */
.admin-sidebar {
    width: 220px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: fixed;
    top: 0; left: 0;
    z-index: 1000;
}

.sidebar-logo {
    padding: 22px 18px 16px;
    border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-logo .sidebar-wordmark {
    height: 22px;
    display: block;
    max-width: 100%;
}

.sidebar-logo .logo-sub {
    font-size: 10px;
    font-weight: 600;
    color: var(--nav-item-color);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 3px;
}

.sidebar-nav {
    flex-grow: 1;
    padding: 10px 0;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 18px;
    color: var(--nav-item-color);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    border-left: 2px solid transparent;
    user-select: none;
}

.nav-item:hover { color: #c8c8e8; background: var(--nav-item-hover-bg); text-decoration: none; }
.nav-item.active {
    color: var(--nav-item-active-color);
    background: var(--nav-item-active-bg);
    border-left-color: var(--primary-color);
    font-weight: 600;
}
.nav-item i { width: 16px; text-align: center; font-size: 13px; }

.sidebar-footer {
    padding: 12px 0;
    border-top: 1px solid var(--sidebar-border);
}

.sidebar-footer .nav-item { color: var(--nav-item-color); font-size: 13px; }
.sidebar-footer .nav-item:hover { color: #e05260; background: rgba(224,82,96,0.08); }

/* ─── Theme picker ───────────────────────────────────────────────────────── */
.theme-picker {
    display: flex;
    gap: 4px;
    background: rgba(255,255,255,0.05);
    border-radius: 20px;
    padding: 4px;
    margin: 4px 14px 8px;
    border: 1px solid var(--sidebar-border);
}

.theme-btn {
    flex: 1;
    background: none;
    border: none;
    color: var(--nav-item-color);
    cursor: pointer;
    padding: 6px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, color 0.15s;
    font-size: 13px;
}

.theme-btn:hover { color: #c8c8e8; }
.theme-btn.active {
    background: rgba(123,47,255,0.25);
    color: var(--nav-item-active-color);
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

/* ─── Main content ───────────────────────────────────────────────────────── */
.admin-main {
    flex-grow: 1;
    margin-left: 220px;
    padding: 32px 36px;
    min-width: 0;
    background: var(--main-bg);
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--header-color);
}

/* ─── Card ───────────────────────────────────────────────────────────────── */
.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--border-radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 2px 8px var(--shadow-color);
}

.card-narrow {
    max-width: 460px;
    margin: 40px auto;
}

/* ─── Alerts ─────────────────────────────────────────────────────────────── */
.alert {
    padding: 10px 16px;
    border-radius: var(--border-radius);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.alert-success {
    background: rgba(34,197,94,0.12);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

.alert-error {
    background: rgba(224,82,96,0.12);
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
}

/* ─── Badges ─────────────────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 99px;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.badge-success { background: rgba(34,197,94,0.15); color: #22c55e; }
.badge-warning { background: rgba(245,158,11,0.15); color: #f59e0b; }
.badge-muted   { background: rgba(128,128,160,0.15); color: var(--secondary-text); }

.badge-ookla {
    background: rgba(26,150,212,0.15);
    color: var(--color-ookla);
    border: 1px solid rgba(26,150,212,0.3);
}

.badge-librespeed {
    background: rgba(224,82,96,0.15);
    color: var(--color-librespeed);
    border: 1px solid rgba(224,82,96,0.3);
}

/* ─── Buttons ────────────────────────────────────────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
    transition: filter 0.15s, background 0.15s, opacity 0.15s;
    font-family: inherit;
    white-space: nowrap;
}

.btn:hover { filter: brightness(1.12); text-decoration: none; }
.btn:disabled { opacity: .5; cursor: not-allowed; filter: none; }

.btn-primary   { background: var(--primary-color); color: #fff; }
.btn-danger    { background: var(--danger-color);  color: #fff; }
.btn-warning   { background: var(--warning-color); color: #000; }
.btn-secondary,
.btn-outline   { background: transparent; border-color: var(--card-border); color: var(--text-color); }

.btn-sm { padding: 4px 12px; font-size: 0.78rem; }
.btn-full { width: 100%; }

.btn-icon {
    padding: 5px 8px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--card-border);
    color: var(--secondary-text);
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: color 0.15s, border-color 0.15s, background 0.15s;
    font-family: inherit;
    font-size: 13px;
}
.btn-icon:hover { color: var(--text-color); border-color: var(--secondary-text); }

/* ─── Forms ──────────────────────────────────────────────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    margin-bottom: 16px;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--secondary-text);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="number"],
input[type="search"],
textarea,
select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--input-border);
    border-radius: var(--border-radius);
    background: var(--input-bg);
    color: var(--input-text);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color 0.15s, box-shadow 0.15s;
    outline: none;
}

input:focus, textarea:focus, select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(123,47,255,0.15);
}

input[readonly]  { opacity: 0.6; cursor: default; }
input[type="checkbox"] { width: auto; accent-color: var(--primary-color); }
textarea { resize: vertical; font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; }

select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238888aa' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: calc(100% - 10px) center;
    background-size: 16px;
    padding-right: 35px;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--secondary-text);
    margin-top: 3px;
}

.form-actions { margin-top: 20px; display: flex; gap: 10px; }

/* ─── Tables ─────────────────────────────────────────────────────────────── */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
    background: var(--table-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
}

th {
    background: var(--table-header-bg);
    color: var(--secondary-text);
    padding: 11px 16px;
    text-align: left;
    font-weight: 700;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    border-bottom: 1px solid var(--card-border);
}

td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--card-border);
    color: var(--text-color);
    vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--table-row-hover); }

td.actions { display: flex; gap: 6px; align-items: center; }
td.actions form { margin: 0; }

/* ─── Modal / Overlay ───────────────────────────────────────────────────── */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.65);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
}

.overlay.open { display: flex; }

.modal {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    width: 100%;
    max-width: 640px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}

.modal-header {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--card-border);
}

.modal-header h3 { margin: 0; color: var(--header-color); font-size: 1rem; font-weight: 700; }

.modal-body {
    padding: 24px;
    overflow-y: auto;
    flex-grow: 1;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--card-border);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

.modal-close {
    background: none;
    border: none;
    color: var(--secondary-text);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    padding: 4px 6px;
    border-radius: 6px;
    transition: color 0.15s, background 0.15s;
}
.modal-close:hover { color: var(--text-color); background: var(--hover-bg); }

/* ─── Action icons ───────────────────────────────────────────────────────── */
.action-icon {
    background: none;
    border: none;
    color: var(--secondary-text);
    padding: 6px 7px;
    cursor: pointer;
    transition: background 0.15s, color 0.15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    font-size: 14px;
}
.action-icon:hover          { background: var(--hover-bg); color: var(--text-color); }
.action-icon.edit:hover     { color: var(--primary-color); background: rgba(123,47,255,0.12); }
.action-icon.danger:hover   { color: var(--danger-color);  background: rgba(224,82,96,0.12); }

.actions-group { display: flex; gap: 4px; align-items: center; }

/* ─── Scrollbar ──────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(128,128,160,0.2); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(128,128,160,0.4); }
* { scrollbar-width: thin; scrollbar-color: rgba(128,128,160,0.2) transparent; }

/* ─── Login page ─────────────────────────────────────────────────────────── */
body:not(:has(.admin-sidebar)) { align-items: center; justify-content: center; }