:root {
    --bg: #EEF1F6;
    --surface: #FFFFFF;
    --surface-2: #F4F7FB;
    --ink: #121822;
    --muted: #5C6A80;
    --line: #D4DBE7;
    --accent: #3B3AD6;
    --danger: #D0453F;
    --radius: 12px;
}

html[data-theme="dark"] {
    --bg: #0C0F14;
    --surface: #141922;
    --surface-2: #1A2029;
    --ink: #E6ECF6;
    --muted: #93A1B6;
    --line: #262F3C;
    --accent: #8F8CFF;
    --danger: #FF7A73;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--ink);
    font-family: "IBM Plex Sans", system-ui, sans-serif;
    font-size: 15px;
    line-height: 1.6;
}

h1, h2 { margin: 0; line-height: 1.2; }
a { color: var(--accent); }
code, .mono { font-family: "IBM Plex Mono", monospace; font-size: 13px; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-weight: 400; font-size: 11px; }

:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.logo {
    width: 14px; height: 14px; border-radius: 3px; display: inline-block;
    background: var(--accent);
}

/* ---------- Karkas ---------- */

.shell { display: flex; min-height: 100vh; }

.sidebar {
    width: 236px; flex-shrink: 0;
    background: var(--surface); border-right: 1px solid var(--line);
    padding: 22px 16px; display: flex; flex-direction: column; gap: 22px;
    position: sticky; top: 0; height: 100vh;
}
.sidebar-top { display: flex; align-items: center; gap: 10px; font-size: 15px; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a {
    text-decoration: none; color: var(--muted);
    padding: 9px 12px; border-radius: 8px; font-size: 14px;
}
.sidebar nav a:hover { background: var(--surface-2); color: var(--ink); }
.sidebar nav a.on { background: var(--accent); color: #fff; }
.sidebar-bottom {
    margin-top: auto; display: flex; flex-direction: column; gap: 8px;
    font-size: 13px; border-top: 1px solid var(--line); padding-top: 16px;
}
.sidebar-bottom a { color: var(--muted); text-decoration: none; }
.sidebar-bottom a:hover { color: var(--accent); }

.content { flex: 1; padding: 26px 30px 70px; max-width: 900px; }
.content-head { display: flex; align-items: center; gap: 16px; margin-bottom: 18px; }
.content-head h1 { font-size: 26px; }
.content-head .mini-btn { margin-left: auto; }

.block-title { font-size: 18px; margin: 26px 0 12px; }

/* ---------- Panellər ---------- */

.panel {
    background: var(--surface); border: 1px solid var(--line);
    border-radius: var(--radius); padding: 20px; margin-bottom: 18px;
}
.panel h2 { font-size: 18px; margin-bottom: 14px; }
.panel-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.panel-head h2 { margin: 0; }
.panel-head .mini-btn, .panel-head .muted { margin-left: auto; }
.panel-actions { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }

.flash {
    padding: 12px 16px; border-radius: 10px; margin: 0 0 18px;
    border: 1px solid var(--line); background: var(--surface);
    font-size: 14px;
}
.flash.ok { border-color: #17B26A; color: #0E8552; }
.flash.error { border-color: var(--danger); color: var(--danger); }
html[data-theme="dark"] .flash.ok { color: #5BD9A0; }

/* ---------- Formlar ---------- */

.form label {
    display: block; margin-bottom: 14px;
    font-size: 12px; font-family: "IBM Plex Mono", monospace; color: var(--muted);
}
.form label.check {
    display: flex; align-items: center; gap: 9px;
    font-family: "IBM Plex Sans", sans-serif; font-size: 14px; color: var(--ink);
}

input[type="text"], input[type="email"], input[type="password"],
input[type="number"], input[type="file"], select, textarea {
    width: 100%; margin-top: 6px;
    font-family: "IBM Plex Sans", sans-serif; font-size: 14px; color: var(--ink);
    background: var(--surface-2); border: 1px solid var(--line);
    border-radius: 9px; padding: 10px 12px; resize: vertical;
}
input[type="color"] {
    width: 100%; height: 42px; margin-top: 6px; padding: 3px;
    background: var(--surface-2); border: 1px solid var(--line); border-radius: 9px;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); outline: none; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0 16px; }

.rows { display: grid; gap: 10px; }
.row { display: flex; gap: 10px; align-items: center; }
.row input { margin-top: 0; }
.row input[type="number"] { max-width: 110px; }

.entry { background: var(--surface-2); }

.btn {
    background: var(--accent); color: #fff; border: none; cursor: pointer;
    font-family: "IBM Plex Sans", sans-serif; font-size: 15px;
    padding: 11px 22px; border-radius: 9px;
}
.btn:hover { filter: brightness(1.08); }

.mini-btn {
    display: inline-block; text-decoration: none; cursor: pointer;
    background: var(--surface-2); color: var(--muted);
    border: 1px solid var(--line); border-radius: 8px;
    font-family: "IBM Plex Mono", monospace; font-size: 12px;
    padding: 7px 12px;
}
.mini-btn:hover { color: var(--ink); border-color: var(--accent); }
.mini-btn.danger { color: var(--danger); }

.form-actions { display: flex; gap: 10px; align-items: center; margin: 18px 0 26px; }

.preview {
    max-width: 260px; border-radius: 10px; border: 1px solid var(--line);
    margin: 6px 0 12px;
}

/* ---------- Panel ekranı ---------- */

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 18px 0; }
.stat {
    background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
    padding: 18px; text-decoration: none; color: var(--ink); display: grid; gap: 4px;
}
.stat:hover { border-color: var(--accent); }
.stat-value { font-size: 30px; font-weight: 600; line-height: 1; }
.stat-label { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted); }

.kv { margin: 0; display: grid; gap: 0; }
.kv > div { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.kv dt { font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted); }
.kv dd { margin: 0; }

.file-list { margin: 0; padding-left: 18px; color: var(--muted); font-size: 14px; }

/* ---------- Mesajlar ---------- */

.message.unread { border-left: 3px solid var(--accent); }
.message-text { background: var(--surface-2); border-radius: 9px; padding: 14px; margin: 10px 0 0; }

/* ---------- Giriş ekranı ---------- */

.login-body {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; padding: 24px;
}
.login-card {
    width: 100%; max-width: 380px;
    background: var(--surface); border: 1px solid var(--line);
    border-radius: 16px; padding: 30px;
}
.login-card h1 { font-size: 24px; margin: 16px 0 6px; }
.login-card .muted { font-size: 14px; margin: 0 0 20px; }
.login-card label {
    display: block; margin-bottom: 14px;
    font-family: "IBM Plex Mono", monospace; font-size: 12px; color: var(--muted);
}
.login-card .btn { width: 100%; }
.back-link { display: block; text-align: center; margin-top: 16px; font-size: 13px; color: var(--muted); text-decoration: none; }

/* ---------- Responsiv ---------- */

@media (max-width: 780px) {
    .shell { flex-direction: column; }
    .sidebar { width: auto; height: auto; position: static; flex-direction: column; }
    .sidebar nav { flex-direction: row; flex-wrap: wrap; }
    .content { padding: 20px 16px 60px; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
    .row { flex-wrap: wrap; }
}