:root {
    --bg: #0f1419;
    --panel: #1a2129;
    --panel-2: #222b35;
    --border: #2c3742;
    --text: #e6edf3;
    --muted: #8b98a5;
    --primary: #2f81f7;
    --primary-d: #1f6feb;
    --ok: #2ea043;
    --off: #d1242f;
    --warn: #d29922;
    --tg: #229ed9;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--panel-2); padding: 1px 6px; border-radius: 5px; font-size: .9em; }
h1 { font-size: 1.5rem; margin: 0 0 18px; }
h2 { font-size: 1.1rem; margin: 0 0 14px; }
h2.section { margin-top: 22px; border-top: 1px solid var(--border); padding-top: 18px; }
.muted { color: var(--muted); }
.small { font-size: .82rem; }
.nowrap { white-space: nowrap; }

/* --- Auth / mesaj ekranları --- */
.auth-body, .message-body {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; padding: 20px;
}
.auth-card, .message-card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    width: 100%; max-width: 400px;
}
.message-card { max-width: 480px; text-align: center; }
.message-card h1 { font-size: 1.6rem; }

/* --- Üst bar --- */
.topbar {
    display: flex; align-items: center; gap: 22px;
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    padding: 0 22px; height: 56px;
}
.brand { font-weight: 700; font-size: 1.05rem; }
.mainnav { display: flex; gap: 6px; flex: 1; }
.mainnav a { color: var(--muted); padding: 8px 12px; border-radius: 7px; }
.mainnav a:hover { color: var(--text); background: var(--panel-2); text-decoration: none; }
.mainnav a.active { color: var(--text); background: var(--panel-2); }
.logout { color: var(--muted); }

.content { max-width: 1100px; margin: 28px auto; padding: 0 22px; }
.appfoot { text-align: center; color: var(--muted); padding: 28px; font-size: .85rem; }

/* --- Kartlar / stat --- */
.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px; margin-bottom: 20px;
}
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 20px; }
.card.stat { text-align: center; margin: 0; }
.stat-num { font-size: 2rem; font-weight: 700; }
.stat-label { color: var(--muted); font-size: .85rem; }

/* --- Formlar --- */
label { display: block; margin-bottom: 14px; font-size: .9rem; }
input[type=text], input[type=password], input[type=url], select {
    width: 100%; margin-top: 6px;
    background: var(--panel-2); border: 1px solid var(--border);
    color: var(--text); border-radius: 7px; padding: 9px 11px; font-size: .95rem;
}
input:focus, select:focus { outline: none; border-color: var(--primary); }
.form-grid { max-width: 560px; }
.form-inline { display: flex; flex-wrap: wrap; gap: 14px; align-items: flex-end; }
.form-inline label { margin-bottom: 0; flex: 1; min-width: 180px; }
label.check { display: flex; align-items: center; gap: 8px; }
label.check input { width: auto; margin: 0; }

/* --- Butonlar --- */
.btn {
    display: inline-block; cursor: pointer;
    background: var(--panel-2); border: 1px solid var(--border);
    color: var(--text); border-radius: 7px; padding: 9px 16px;
    font-size: .9rem; text-decoration: none;
}
.btn:hover { background: var(--border); text-decoration: none; }
.btn-primary { background: var(--primary); border-color: var(--primary-d); color: #fff; }
.btn-primary:hover { background: var(--primary-d); }
.btn-danger { color: #ff7b72; }
.btn-danger:hover { background: rgba(209,36,47,.15); }
.btn-sm { padding: 5px 10px; font-size: .8rem; }
.btn:disabled, button:disabled { opacity: .45; cursor: not-allowed; }

/* --- Tablolar --- */
.table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.table th, .table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; letter-spacing: .03em; }
.actions { display: flex; flex-wrap: wrap; gap: 6px; }
.inline { display: inline; }
.edit-row { display: none; background: var(--panel-2); }
.edit-row.open { display: table-row; }

/* --- Rozetler --- */
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: .75rem; background: var(--panel-2); border: 1px solid var(--border); color: var(--muted); }
.badge-ok { background: rgba(46,160,67,.18); color: #56d364; border-color: transparent; }
.badge-off { background: rgba(209,36,47,.18); color: #ff7b72; border-color: transparent; }
.badge-warn { background: rgba(210,153,34,.18); color: #e3b341; border-color: transparent; }
.badge-tg { background: rgba(34,158,217,.18); color: #58c4f0; border-color: transparent; }

/* --- Uyarılar --- */
.alert { padding: 11px 14px; border-radius: 7px; margin-bottom: 16px; font-size: .9rem; }
.alert-ok { background: rgba(46,160,67,.15); color: #56d364; }
.alert-error { background: rgba(209,36,47,.15); color: #ff7b72; }
.alert-warn { background: rgba(210,153,34,.15); color: #e3b341; }

/* --- Grafik --- */
.chart { display: flex; align-items: flex-end; gap: 8px; height: 160px; padding-top: 10px; }
.bar-wrap { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: flex-end; height: 100%; }
.bar { width: 70%; min-height: 2px; background: var(--primary); border-radius: 4px 4px 0 0; transition: height .2s; }
.bar-val { font-size: .72rem; color: var(--muted); margin-top: 4px; }
.bar-label { font-size: .7rem; color: var(--muted); }

.pager { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 16px; }

/* --- Sayfa başlığı + aksiyonlar --- */
.page-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; }
.page-head h1 { margin: 0; }
.head-actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* --- Modal --- */
.modal {
    display: none;
    position: fixed; inset: 0; z-index: 100;
    background: rgba(0,0,0,.6);
    align-items: flex-start; justify-content: center;
    padding: 40px 16px; overflow-y: auto;
}
.modal.open { display: flex; }
.modal-box {
    background: var(--panel); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 24px;
    width: 100%; max-width: 520px;
}
.modal-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.modal-head h2 { margin: 0; }
.modal-close { background: none; border: none; color: var(--muted); font-size: 1.6rem; line-height: 1; cursor: pointer; padding: 0 4px; }
.modal-close:hover { color: var(--text); }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
input[type=file] { width: 100%; margin-top: 6px; color: var(--text); font-size: .9rem; }

.detail-table th { text-transform: none; letter-spacing: 0; color: var(--muted); font-weight: 600; }
.detail-table td { word-break: break-all; }