/* ═══════════════════════════════════════════════════════════════════
   NH3 Veri Kayıt Sistemi — Global Stiller
   AdminKit Pro Dark Theme · Mobile-first
   ═══════════════════════════════════════════════════════════════════ */

:root {
    /* Renkler */
    --bg:           #060a14;
    --bg-2:         #0c111d;
    --bg-card:      #131a2b;
    --bg-elev:      #182238;
    --bg-input:     rgba(255,255,255,.04);
    --bg-input-fc:  rgba(255,255,255,.06);

    --border:       rgba(255,255,255,.08);
    --border-2:     rgba(255,255,255,.12);
    --border-fc:    rgba(111,126,255,.45);

    --text:         rgba(255,255,255,.92);
    --text-muted:   rgba(255,255,255,.55);
    --text-subtle:  rgba(255,255,255,.35);

    --primary:      #6f7eff;
    --primary-2:    #4d5cdb;
    --primary-rgb:  111,126,255;

    --success:      #28c76f;
    --warning:      #ff9f43;
    --danger:       #ea5455;
    --info:         #00cfe8;

    --radius:       .5rem;
    --radius-lg:    .75rem;
    --shadow-sm:    0 1px 2px rgba(0,0,0,.25);
    --shadow:       0 4px 16px rgba(0,0,0,.30);
    --shadow-lg:    0 12px 32px rgba(0,0,0,.45);
}

/* ── Reset & temel ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html, body {
    height: 100%;
    background: var(--bg);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: .9375rem;
    line-height: 1.5;
    margin: 0;
}

a { color: var(--primary); text-decoration: none; transition: color .15s; }
a:hover { color: var(--primary-2); }

hr { border: 0; border-top: 1px solid var(--border); margin: 1rem 0; }

::selection { background: rgba(var(--primary-rgb), .35); color: #fff; }

/* ── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-2); }
::-webkit-scrollbar-thumb { background: var(--border-2); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.20); }

/* ── Bootstrap override: Card ───────────────────────────────── */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    color: var(--text);
}
.card-header {
    background: transparent;
    border-bottom: 1px solid var(--border);
    padding: .75rem 1rem;
    font-weight: 600;
    color: var(--text);
}
.card-body { padding: .75rem 1rem; }
.card-footer {
    background: transparent;
    border-top: 1px solid var(--border);
    padding: .75rem 1rem;
}

/* ── Form kontrolleri ───────────────────────────────────────── */
.form-label {
    font-size: .8125rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: .375rem;
}

.form-control, .form-select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: var(--radius);
    padding: .5rem .75rem;
    font-size: .9375rem;
    transition: border-color .15s, background .15s, box-shadow .15s;
}
.form-control::placeholder { color: var(--text-subtle); }

.form-control:focus, .form-select:focus {
    background: var(--bg-input-fc);
    border-color: var(--border-fc);
    color: var(--text);
    box-shadow: 0 0 0 .2rem rgba(var(--primary-rgb), .15);
    outline: none;
}

.form-control:disabled, .form-select:disabled {
    background: rgba(255,255,255,.02);
    color: var(--text-subtle);
}

.input-group-text {
    background: rgba(255,255,255,.04);
    border: 1px solid var(--border);
    color: var(--text-muted);
}

.form-check-input {
    background-color: var(--bg-input);
    border-color: var(--border-2);
}
.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}
.form-check-input:focus { box-shadow: 0 0 0 .2rem rgba(var(--primary-rgb), .15); }

.form-text { color: var(--text-subtle); font-size: .8125rem; }

/* ── Butonlar ───────────────────────────────────────────────── */
.btn {
    border-radius: var(--radius);
    font-weight: 500;
    padding: .5rem 1rem;
    transition: all .15s;
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn-primary:hover, .btn-primary:focus {
    background: var(--primary-2);
    border-color: var(--primary-2);
    color: #fff;
}

.btn-outline-secondary {
    color: var(--text-muted);
    border-color: var(--border-2);
}
.btn-outline-secondary:hover {
    background: rgba(255,255,255,.06);
    color: var(--text);
    border-color: var(--border-2);
}

.btn-success { background: var(--success); border-color: var(--success); }
.btn-danger  { background: var(--danger);  border-color: var(--danger); }
.btn-warning { background: var(--warning); border-color: var(--warning); color: #000; }

.btn-sm { padding: .3125rem .625rem; font-size: .8125rem; }

/* ── Tablo ──────────────────────────────────────────────────── */
.table {
    color: var(--text);
    border-color: var(--border);
    margin-bottom: 0;
}
.table > :not(caption) > * > * {
    background: transparent;
    color: var(--text);
    border-bottom-color: var(--border);
    padding: .5rem 1rem;
}
.table thead th {
    color: var(--text-muted);
    font-weight: 600;
    font-size: .8125rem;
    text-transform: uppercase;
    letter-spacing: .03em;
    border-bottom: 1px solid var(--border);
    background: rgba(255,255,255,.02);
}
.table tbody tr:hover > * { background: rgba(255,255,255,.025); }

/* ── Alerts ─────────────────────────────────────────────────── */
.alert {
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: .625rem .875rem;
    font-size: .875rem;
}
.alert-danger {
    background: rgba(234,84,85,.12);
    border-color: rgba(234,84,85,.28);
    color: #ff8a8b;
}
.alert-success {
    background: rgba(40,199,111,.12);
    border-color: rgba(40,199,111,.28);
    color: #4ddb8e;
}
.alert-warning {
    background: rgba(255,159,67,.12);
    border-color: rgba(255,159,67,.28);
    color: #ffb774;
}
.alert-info {
    background: rgba(0,207,232,.12);
    border-color: rgba(0,207,232,.28);
    color: #45dff0;
}

/* ── Badge ──────────────────────────────────────────────────── */
.badge { font-weight: 500; padding: .375em .625em; border-radius: .375rem; }

/* ── Modal ──────────────────────────────────────────────────── */
.modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    color: var(--text);
}
.modal-header { border-bottom-color: var(--border); padding: .875rem 1rem; }
.modal-footer { border-top-color: var(--border); padding: .75rem 1rem; }
.btn-close {
    filter: invert(1) grayscale(1) opacity(.6);
    transition: filter .15s;
}
.btn-close:hover { filter: invert(1) grayscale(1) opacity(1); }

/* ── Dropdown ───────────────────────────────────────────────── */
.dropdown-menu {
    background: var(--bg-elev);
    border: 1px solid var(--border-2);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.dropdown-item { color: var(--text); padding: .5rem .875rem; font-size: .875rem; }
.dropdown-item:hover, .dropdown-item:focus {
    background: rgba(var(--primary-rgb), .15);
    color: var(--text);
}
.dropdown-divider { border-top-color: var(--border); }

/* ── Layout: Topbar + Sidebar + Content ─────────────────────── */
.app-shell { min-height: 100vh; display: flex; flex-direction: column; }

.topbar {
    background: var(--bg-2);
    border-bottom: 1px solid var(--border);
    padding: .625rem 1rem;
    display: flex;
    align-items: center;
    gap: .75rem;
    position: sticky;
    top: 0;
    z-index: 1020;
    height: 56px;
    flex-shrink: 0;
}
.topbar-brand {
    display: flex; align-items: center; gap: .625rem;
    color: var(--text); font-weight: 700; font-size: 1rem;
    text-decoration: none;
}
.topbar-brand:hover { color: var(--text); }
.topbar-brand .brand-icon {
    width: 32px; height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-2));
    border-radius: 8px;
    display: grid; place-items: center;
    color: #fff; font-weight: 800; font-size: .9375rem;
    box-shadow: 0 2px 8px rgba(var(--primary-rgb),.4);
}
.topbar-toggle {
    background: transparent; border: 0;
    color: var(--text-muted);
    width: 36px; height: 36px;
    border-radius: var(--radius);
    display: grid; place-items: center;
    font-size: 1.125rem;
}
.topbar-toggle:hover { background: rgba(255,255,255,.06); color: var(--text); }
.topbar-spacer { flex: 1; }
.topbar-user {
    display: flex; align-items: center; gap: .5rem;
    color: var(--text-muted);
    background: transparent; border: 0;
    padding: .375rem .625rem;
    border-radius: var(--radius);
    font-size: .875rem;
}
.topbar-user:hover { background: rgba(255,255,255,.06); color: var(--text); }
.topbar-user .avatar {
    width: 28px; height: 28px;
    background: var(--bg-elev);
    border: 1px solid var(--border-2);
    border-radius: 50%;
    display: grid; place-items: center;
    color: var(--primary);
    font-size: .75rem; font-weight: 700;
}

.app-body { display: flex; flex: 1; min-height: 0; }

.sidebar {
    width: 240px;
    background: var(--bg-2);
    border-right: 1px solid var(--border);
    padding: 1rem .5rem;
    flex-shrink: 0;
    overflow-y: auto;
}
.sidebar-section {
    color: var(--text-subtle);
    font-size: .6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    padding: .75rem .75rem .375rem;
}
.sidebar-link {
    display: flex; align-items: center; gap: .625rem;
    padding: .5rem .75rem;
    border-radius: var(--radius);
    color: var(--text-muted);
    font-size: .875rem;
    text-decoration: none;
    transition: all .15s;
    margin-bottom: 2px;
}
.sidebar-link:hover {
    background: rgba(255,255,255,.04);
    color: var(--text);
}
.sidebar-link.active {
    background: rgba(var(--primary-rgb), .15);
    color: var(--primary);
    font-weight: 500;
}
.sidebar-link i { font-size: 1rem; width: 18px; text-align: center; }

.main-content { flex: 1; padding: 1rem; overflow-x: hidden; min-width: 0; }

/* Mobil sidebar */
@media (max-width: 991.98px) {
    .sidebar {
        position: fixed;
        top: 56px;
        left: 0;
        bottom: 0;
        z-index: 1015;
        transform: translateX(-100%);
        transition: transform .25s;
        width: 260px;
        box-shadow: var(--shadow-lg);
    }
    .sidebar.is-open { transform: translateX(0); }
    .sidebar-backdrop {
        position: fixed; inset: 56px 0 0 0;
        background: rgba(0,0,0,.55);
        z-index: 1010;
        opacity: 0; pointer-events: none;
        transition: opacity .25s;
    }
    .sidebar-backdrop.is-open { opacity: 1; pointer-events: auto; }
}

/* ── Page header (her sayfa üstündeki başlık) ───────────────── */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}
.page-header h1 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    color: var(--text);
}
.page-header .subtitle {
    color: var(--text-muted);
    font-size: .8125rem;
    margin-top: .125rem;
}

/* ── Stat card (dashboard) ──────────────────────────────────── */
.stat-card {
    display: flex;
    align-items: center;
    gap: .875rem;
    padding: 1rem;
}
.stat-card .stat-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius);
    display: grid; place-items: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}
.stat-card .stat-icon.primary { background: rgba(var(--primary-rgb), .15); color: var(--primary); }
.stat-card .stat-icon.success { background: rgba(40,199,111,.15);  color: var(--success); }
.stat-card .stat-icon.warning { background: rgba(255,159,67,.15);  color: var(--warning); }
.stat-card .stat-icon.info    { background: rgba(0,207,232,.15);   color: var(--info); }
.stat-card .stat-value {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.1;
}
.stat-card .stat-label {
    font-size: .75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: .05em;
    margin-top: .125rem;
}

/* ── Yardımcılar ────────────────────────────────────────────── */
.text-muted { color: var(--text-muted) !important; }
.text-subtle { color: var(--text-subtle) !important; }
.bg-elev { background: var(--bg-elev); }

/* Mobilde topbar'ı küçük tut */
@media (max-width: 575.98px) {
    .topbar { padding: .5rem .75rem; }
    .main-content { padding: .75rem; }
    .topbar-user span { display: none; }
}