:root {
    /* ── Marka ── */
    --accent:        #ff5a36;
    --accent-dark:   #e2431f;
    --accent-soft:   rgba(255,90,54,0.12);

    /* ── Sidebar (koyu) ── */
    --side-bg:       #15120f;
    --side-bg-2:     #1c1712;
    --side-text:     #a49b8f;
    --side-text-dim: #6b6459;
    --side-active-bg:#2b1c14;
    --side-border:   rgba(255,255,255,0.06);

    /* ── İçerik (açık) ── */
    --bg:            #f3efe9;
    --card:          #ffffff;
    --card-border:   #ebe6de;
    --text:          #1c1712;
    --text-sub:      #8a8175;
    --text-mute:     #b4ac9e;

    /* ── Semantik ── */
    --green:         #1f9d55;
    --green-bg:      #e7f6ec;
    --red:           #e0402a;
    --red-bg:        #fceae6;
    --blue:          #5b6ef0;

    --radius:        18px;
    --radius-sm:     10px;
    --shadow:        0 1px 2px rgba(28,23,18,0.04), 0 8px 24px rgba(28,23,18,0.04);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ══════════════ Login ══════════════ */
#loginOverlay {
    position: fixed; inset: 0; display: flex; align-items: center; justify-content: center;
    background: radial-gradient(circle at 25% 20%, #241a12 0%, #15120f 65%);
}
.login-box {
    background: var(--side-bg-2); border: 1px solid var(--side-border); border-radius: 20px;
    padding: 44px 38px; width: 100%; max-width: 360px; text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.45);
}
.login-brand { font-size: 22px; font-weight: 800; letter-spacing: 4px; color: var(--accent); }
.login-title { font-size: 12px; font-weight: 700; letter-spacing: 2px; color: var(--side-text); margin-top: 8px; }
.login-subtitle { font-size: 12px; color: var(--side-text-dim); margin-top: 8px; margin-bottom: 26px; }
.login-form { display: flex; flex-direction: column; gap: 12px; }
.login-input {
    background: rgba(255,255,255,0.04); border: 1px solid var(--side-border); border-radius: 10px;
    padding: 13px 14px; color: #f0ece5; font-family: inherit; font-size: 13px;
}
.login-input::placeholder { color: var(--side-text-dim); }
.login-input:focus { outline: none; border-color: rgba(255,90,54,0.5); background: rgba(255,255,255,0.07); }
.btn-login {
    background: var(--accent); color: white; border: none; border-radius: 10px; padding: 13px;
    font-family: inherit; font-size: 14px; font-weight: 700; cursor: pointer; margin-top: 4px;
    transition: background 0.15s;
}
.btn-login:hover { background: var(--accent-dark); }
.login-error { color: #ff8a70; font-size: 12px; margin-top: 14px; min-height: 16px; }

/* ══════════════ Shell (sidebar + main) ══════════════ */
#dashboard { display: flex; min-height: 100vh; }

.sidebar {
    width: 232px; flex-shrink: 0; background: var(--side-bg);
    display: flex; flex-direction: column; padding: 22px 16px;
    position: sticky; top: 0; height: 100vh;
}
.sidebar-brand { display: flex; align-items: center; gap: 10px; padding: 6px 10px 26px; }
.brand-icon {
    width: 34px; height: 34px; border-radius: 10px; flex-shrink: 0;
    background: linear-gradient(140deg, var(--accent), var(--accent-dark));
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 14px rgba(255,90,54,0.35);
}
.brand-word { font-size: 15px; font-weight: 800; letter-spacing: 1.5px; color: #f4f0ea; }

.sidebar-nav { display: flex; flex-direction: column; gap: 2px; }
.nav-item {
    display: flex; align-items: center; gap: 12px; padding: 11px 12px; border-radius: 10px;
    color: var(--side-text); text-decoration: none; font-size: 13.5px; font-weight: 600;
    border: none; background: transparent; width: 100%; text-align: left; cursor: pointer;
    font-family: inherit; transition: background 0.15s, color 0.15s;
}
.nav-item svg { flex-shrink: 0; opacity: 0.85; }
.nav-item:hover { background: rgba(255,255,255,0.04); color: #e4ddd2; }
.nav-item.active { background: var(--side-active-bg); color: var(--accent); }
.nav-item.active svg { opacity: 1; }

.sidebar-bottom { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--side-border); }
.nav-item-danger:hover { background: rgba(224,64,42,0.12); color: #ff8a70; }

/* ══════════════ Main ══════════════ */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
    display: flex; align-items: center; justify-content: space-between; gap: 20px;
    padding: 20px 32px; position: sticky; top: 0; z-index: 5;
    background: var(--bg);
}
.topbar-search {
    flex: 1; max-width: 380px; display: flex; align-items: center; gap: 10px;
    background: var(--card); border: 1px solid var(--card-border); border-radius: 999px;
    padding: 11px 18px; color: var(--text-mute);
}
.topbar-search svg { flex-shrink: 0; color: var(--text-mute); }
.topbar-search input {
    border: none; outline: none; background: transparent; font-family: inherit;
    font-size: 13px; color: var(--text); width: 100%;
}
.topbar-search input::placeholder { color: var(--text-mute); }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.topbar-date {
    display: flex; align-items: center; gap: 8px; background: var(--card);
    border: 1px solid var(--card-border); border-radius: 999px; padding: 10px 16px;
    font-size: 12.5px; font-weight: 600; color: var(--text-sub);
}
.topbar-icon-btn {
    width: 38px; height: 38px; border-radius: 50%; background: var(--card);
    border: 1px solid var(--card-border); display: flex; align-items: center; justify-content: center;
    color: var(--text-sub); cursor: pointer;
}
.topbar-avatar {
    width: 38px; height: 38px; border-radius: 50%; flex-shrink: 0;
    background: linear-gradient(140deg, var(--accent), var(--accent-dark));
    color: white; display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 14px;
}

.dash-content { padding: 4px 32px 60px; display: flex; flex-direction: column; gap: 22px; }

/* ── Stat cards ── */
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.stat-card {
    background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
    padding: 20px 22px; box-shadow: var(--shadow);
}
.stat-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.stat-card-label { font-size: 12.5px; font-weight: 600; color: var(--text-sub); }
.trend-pill { display: flex; align-items: center; gap: 3px; font-size: 11px; font-weight: 700; padding: 3px 8px; border-radius: 999px; }
.trend-up   { background: var(--green-bg); color: var(--green); }
.trend-down { background: var(--red-bg); color: var(--red); }
.stat-card-val { font-size: 27px; font-weight: 800; letter-spacing: -0.5px; }
.stat-card-sub { font-size: 11px; color: var(--text-mute); margin-top: 10px; }

/* ── Panel kartları (chart / tablo kapları) ── */
.panels-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: stretch; }
.panel-card {
    background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
    padding: 22px 24px 24px; box-shadow: var(--shadow);
}
.panel-card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.panel-card-head h3 { font-size: 14.5px; font-weight: 700; }
.panel-card-sub { font-size: 11.5px; color: var(--text-mute); font-weight: 600; }
.panel-link { font-size: 12px; font-weight: 700; color: var(--accent); text-decoration: none; }
.panel-link:hover { text-decoration: underline; }

/* ── SVG çizgi grafik ── */
.chart-empty { display: flex; align-items: center; justify-content: center; height: 180px; color: var(--text-mute); font-size: 12.5px; }
.chart-legend { display: flex; gap: 16px; font-size: 11.5px; font-weight: 600; color: var(--text-sub); }
.chart-legend span { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* ── Bar grafik ── */
.bar-chart { display: flex; align-items: flex-end; gap: 10px; height: 180px; padding-top: 6px; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px; height: 100%; justify-content: flex-end; }
.bar-col-fill { width: 100%; max-width: 30px; border-radius: 6px 6px 3px 3px; background: linear-gradient(180deg, var(--accent), var(--accent-dark)); min-height: 4px; }
.bar-col-label { font-size: 10.5px; font-weight: 700; color: var(--text-mute); text-transform: uppercase; }

/* ── Son eklenen firmalar (kart grid) ── */
.recent-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.recent-card { border: 1px solid var(--card-border); border-radius: 14px; padding: 14px 16px; display: flex; flex-direction: column; gap: 10px; }
.recent-card-top { display: flex; align-items: center; gap: 10px; }
.recent-avatar {
    width: 30px; height: 30px; border-radius: 9px; flex-shrink: 0; display: flex; align-items: center;
    justify-content: center; font-weight: 800; font-size: 12.5px; color: white; text-transform: uppercase;
    background: linear-gradient(140deg, var(--accent), var(--accent-dark));
}
.recent-name { font-size: 13px; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.recent-meta { font-size: 11px; color: var(--text-mute); display: flex; align-items: center; justify-content: space-between; }

/* ── Firmalar tablosu ── */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
    text-align: left; font-size: 10.5px; font-weight: 700; color: var(--text-mute);
    letter-spacing: 0.6px; text-transform: uppercase; padding: 0 10px 12px; border-bottom: 1px solid var(--card-border);
}
.data-table td { padding: 13px 10px; border-bottom: 1px solid var(--card-border); font-size: 13px; vertical-align: middle; }
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover { background: #faf8f5; }
.dt-company { display: flex; align-items: center; gap: 10px; font-weight: 700; }
.dt-id-badge { background: #f2ede5; color: var(--text-sub); padding: 3px 9px; border-radius: 999px; font-weight: 700; font-size: 11px; }
.status-badge { padding: 3px 10px; border-radius: 999px; font-weight: 700; font-size: 10.5px; letter-spacing: 0.4px; text-transform: uppercase; }
.status-active { background: var(--green-bg); color: var(--green); }
.status-suspended { background: var(--red-bg); color: var(--red); }
.dt-action-btn {
    background: transparent; border: 1.5px solid var(--card-border); color: var(--text-sub);
    border-radius: 8px; padding: 6px 13px; font-family: inherit; font-size: 11.5px; font-weight: 700; cursor: pointer;
}
.dt-action-btn:hover { border-color: var(--accent); color: var(--accent); }
.table-empty { text-align: center; padding: 46px 20px; color: var(--text-mute); font-size: 13px; }

/* ══════════════ Yeni firma formu ══════════════ */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
.form-row label { display: block; font-size: 11px; font-weight: 700; color: var(--text-sub); letter-spacing: 0.4px; text-transform: uppercase; margin-bottom: 7px; }
.input {
    width: 100%; background: var(--bg); border: 1px solid var(--card-border); border-radius: 10px;
    padding: 11px 13px; color: var(--text); font-family: inherit; font-size: 13px;
}
.input::placeholder { color: var(--text-mute); }
.input:focus { outline: none; border-color: var(--accent); background: white; }

.btn { padding: 11px 22px; border: none; border-radius: 10px; font-family: inherit; font-size: 13px; font-weight: 700; cursor: pointer; }
.btn-save { background: var(--accent); color: white; }
.btn-save:hover { background: var(--accent-dark); }
.btn-clear { background: transparent; color: var(--text-sub); border: 1.5px solid var(--card-border); }
.btn-clear:hover { background: #f2ede5; }

.form-msg { font-size: 12px; margin-top: 14px; min-height: 16px; font-weight: 600; }
.form-msg-ok  { color: var(--green); }
.form-msg-err { color: var(--red); }
.form-hint { text-transform: none; font-weight: 500; color: var(--text-mute); letter-spacing: 0; }

.dyn-section { margin-bottom: 18px; }
.dyn-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.dyn-head label { font-size: 11px; font-weight: 700; color: var(--text-sub); letter-spacing: 0.4px; text-transform: uppercase; }
.btn-add-row { background: transparent; border: 1.5px solid rgba(255,90,54,0.35); color: var(--accent); border-radius: 8px; padding: 5px 12px; font-family: inherit; font-size: 11px; font-weight: 700; cursor: pointer; }
.btn-add-row:hover { background: var(--accent-soft); }
.dyn-row { display: flex; gap: 8px; margin-bottom: 8px; align-items: center; }
.dyn-row .input { flex: 2; }
.dyn-row .dyn-input-sm { flex: 1; }
.dyn-row .dyn-input-xs { flex: 0 0 56px; text-align: center; }
.dyn-row .dyn-color { flex: 0 0 44px; height: 40px; border: 1px solid var(--card-border); border-radius: 8px; background: var(--bg); cursor: pointer; padding: 2px; }
.dyn-remove { flex-shrink: 0; width: 32px; height: 32px; border-radius: 8px; border: 1.5px solid rgba(224,64,42,0.3); background: transparent; color: var(--red); cursor: pointer; font-size: 12px; }
.dyn-remove:hover { background: var(--red-bg); }

/* ══════════════ Responsive ══════════════ */
@media (max-width: 1100px) {
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .recent-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
    .panels-row { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
    #dashboard { flex-direction: column; }
    .sidebar { width: 100%; height: auto; position: relative; flex-direction: row; align-items: center; padding: 14px 16px; overflow-x: auto; }
    .sidebar-brand { padding: 0 16px 0 0; }
    .sidebar-nav { flex-direction: row; }
    .nav-item span:last-child { display: none; }
    .sidebar-bottom { margin-top: 0; margin-left: auto; padding-top: 0; border-top: none; }
    .topbar { flex-wrap: wrap; padding: 16px; }
    .topbar-search { max-width: none; order: 3; flex-basis: 100%; }
    .dash-content { padding: 4px 16px 40px; }
    .stats-row { grid-template-columns: 1fr 1fr; gap: 12px; }
    .recent-grid { grid-template-columns: 1fr; }
    .form-grid, .dyn-row { grid-template-columns: 1fr; }
    .dyn-row { flex-wrap: wrap; }
}