:root {
    --bg: #0f1216;
    --panel: #171b21;
    --panel-2: #1e232b;
    --border: #2a3038;
    --text: #e8eaed;
    --text-dim: #9aa4b2;
    --accent: #ff5a1f;   /* Polar turuncu tonu */
    --accent-dim: #b8431a;
    --ok: #34c77b;
    --danger: #e5484d;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.5;
}

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

.topbar {
    background: var(--panel);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar-inner {
    max-width: 1100px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
}
.brand { font-weight: 700; font-size: 18px; color: var(--text); }
.brand:hover { text-decoration: none; color: var(--accent); }
nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.user-chip {
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 4px 12px;
    font-size: 13px;
    color: var(--text-dim);
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 28px 20px 60px;
}

h1 { font-size: 24px; margin: 0 0 6px; }
h2 { font-size: 18px; margin: 0 0 14px; }
p.lead { color: var(--text-dim); margin-top: 0; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    margin-bottom: 20px;
}

.form-row { margin-bottom: 14px; }
.form-row label { display: block; margin-bottom: 6px; color: var(--text-dim); font-size: 13px; }
input[type=text], input[type=email], input[type=password], select {
    width: 100%;
    padding: 10px 12px;
    background: var(--panel-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
}
input:focus, select:focus { outline: none; border-color: var(--accent); }

.btn {
    display: inline-block;
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}
.btn:hover { background: var(--accent-dim); text-decoration: none; }
.btn.secondary { background: var(--panel-2); border: 1px solid var(--border); color: var(--text); }
.btn.secondary:hover { background: #262c35; }

.alert {
    padding: 12px 16px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}
.alert.ok { background: rgba(52,199,123,.12); border: 1px solid rgba(52,199,123,.35); color: var(--ok); }
.alert.error { background: rgba(229,72,77,.12); border: 1px solid rgba(229,72,77,.35); color: var(--danger); }
.alert.info { background: rgba(255,90,31,.10); border: 1px solid rgba(255,90,31,.3); color: var(--accent); }

.status-pill {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 600;
}
.status-pill.linked { background: rgba(52,199,123,.15); color: var(--ok); }
.status-pill.unlinked { background: rgba(229,72,77,.15); color: var(--danger); }

/* ---- Takvim ---- */
.cal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.cal-nav { display: flex; gap: 8px; align-items: center; }
.cal-nav a.btn.secondary { padding: 6px 14px; }
.cal-title { font-size: 20px; font-weight: 700; min-width: 180px; text-align: center; }

table.calendar {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}
table.calendar th {
    text-align: left;
    font-size: 12px;
    color: var(--text-dim);
    padding: 6px 8px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
table.calendar td {
    border: 1px solid var(--border);
    vertical-align: top;
    height: 100px;
    padding: 6px;
    font-size: 13px;
}
table.calendar td.empty { background: rgba(255,255,255,.02); }
table.calendar td .day-num { color: var(--text-dim); font-size: 12px; margin-bottom: 4px; }
table.calendar td.today { background: rgba(255,90,31,.06); border-color: var(--accent); }
table.calendar td.today .day-num { color: var(--accent); font-weight: 700; }

.activity-chip {
    display: block;
    background: var(--panel-2);
    border-left: 3px solid var(--accent);
    border-radius: 4px;
    padding: 3px 6px;
    margin-bottom: 3px;
    font-size: 11.5px;
    color: var(--text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.activity-chip:hover { background: #262c35; text-decoration: none; }

/* ---- Tablo görünümü ---- */
table.data-table {
    width: 100%;
    border-collapse: collapse;
}
table.data-table th, table.data-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 13.5px;
}
table.data-table th {
    color: var(--text-dim);
    font-weight: 600;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .03em;
}
table.data-table th a { color: var(--text-dim); }
table.data-table tr:hover td { background: var(--panel-2); }

.view-toggle { display: flex; gap: 8px; margin-bottom: 18px; }
.view-toggle a { padding: 6px 14px; border-radius: 8px; border: 1px solid var(--border); color: var(--text-dim); font-size: 13px; }
.view-toggle a.active { background: var(--accent); color: #fff; border-color: var(--accent); }

.admin-user-list { border-collapse: collapse; width: 100%; }
.admin-user-list td, .admin-user-list th { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13.5px; }
.admin-user-list th { color: var(--text-dim); text-transform: uppercase; font-size: 12px; }

.muted { color: var(--text-dim); }
.text-right { text-align: right; }