/* ============================================================================
   STOK Yönetim Paneli — Modern Tema
   ============================================================================ */

:root {
    --bg:            #f1f5f9;
    --surface:       #ffffff;
    --surface-alt:   #f8fafc;
    --border:        #e2e8f0;
    --border-strong: #cbd5e1;

    --text:          #0f172a;
    --text-muted:    #64748b;
    --text-subtle:   #94a3b8;

    --primary:       #4f46e5;
    --primary-hover: #4338ca;
    --primary-soft:  #eef2ff;

    --accent:        #6366f1;

    --success:       #10b981;
    --success-soft:  #ecfdf5;
    --danger:        #ef4444;
    --danger-soft:   #fef2f2;
    --warning:       #f59e0b;
    --warning-soft:  #fffbeb;
    --info:          #0ea5e9;
    --info-soft:     #f0f9ff;

    --radius-sm: 6px;
    --radius:    10px;
    --radius-lg: 14px;

    --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04), 0 1px 3px rgba(15, 23, 42, 0.05);
    --shadow:    0 4px 12px rgba(15, 23, 42, 0.06), 0 2px 4px rgba(15, 23, 42, 0.04);
    --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.10), 0 4px 8px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 14px;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ─── Topbar ───────────────────────────────────────────────────────────── */
.topbar {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #fff;
    padding: 16px 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow);
}
.topbar h1 {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    letter-spacing: -0.2px;
}
.topbar .user {
    font-size: 13px;
    color: #cbd5e1;
    margin-right: 8px;
}
.topbar .user strong { color: #fff; }
.topbar a {
    color: #e2e8f0;
    text-decoration: none;
    margin-left: 18px;
    font-size: 13px;
    font-weight: 500;
    transition: color 0.15s ease;
}
.topbar a:hover { color: #fff; }

.accent {
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
}

/* ─── Container ────────────────────────────────────────────────────────── */
.container {
    max-width: 1040px;
    margin: 28px auto;
    padding: 0 20px;
}

/* ─── Cards ────────────────────────────────────────────────────────────── */
.card {
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 24px 28px;
    margin-bottom: 22px;
    border: 1px solid var(--border);
}
.card h2 {
    margin: 0 0 20px;
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.2px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.card h2::before {
    content: "";
    display: block;
    width: 3px;
    height: 18px;
    background: var(--primary);
    border-radius: 2px;
}

/* ─── Menu Grid (dashboard) ────────────────────────────────────────────── */
.menu {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 16px;
}
.menu a {
    display: block;
    background: var(--surface);
    padding: 20px 22px;
    text-decoration: none;
    color: var(--text);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}
.menu a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary);
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.2s ease;
}
.menu a:hover {
    box-shadow: var(--shadow);
    transform: translateY(-1px);
    border-color: var(--border-strong);
}
.menu a:hover::before { transform: scaleY(1); }
.menu a .t {
    display: block;
    font-weight: 600;
    font-size: 15px;
    margin-bottom: 4px;
    color: var(--text);
}
.menu a .d {
    display: block;
    font-size: 12.5px;
    color: var(--text-muted);
    line-height: 1.45;
}

/* ─── Forms ────────────────────────────────────────────────────────────── */
label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 6px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
input[type=text], input[type=password], input[type=number], select, textarea {
    width: 100%;
    padding: 10px 13px;
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-sm);
    font-size: 14px;
    background: var(--surface);
    font-family: inherit;
    color: var(--text);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input[type=text]:hover, input[type=password]:hover, input[type=number]:hover, select:hover {
    border-color: #a8b3c7;
}
input[type=text]:focus, input[type=password]:focus, input[type=number]:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.12);
}
select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M3 5l3 3 3-3' stroke='%2364748b' fill='none' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 34px;
    appearance: none;
    -webkit-appearance: none;
}

.form-row { margin-bottom: 16px; }
.form-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 14px;
}

/* ─── Buttons ──────────────────────────────────────────────────────────── */
button, .btn {
    display: inline-block;
    padding: 10px 20px;
    background: var(--primary);
    color: #fff;
    border: 1px solid var(--primary);
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: all 0.15s ease;
    letter-spacing: 0.1px;
    font-family: inherit;
}
button:hover, .btn:hover {
    background: var(--primary-hover);
    border-color: var(--primary-hover);
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.24);
}
button:active, .btn:active { transform: translateY(1px); }
.btn.secondary {
    background: var(--surface);
    color: var(--text);
    border-color: var(--border-strong);
}
.btn.secondary:hover {
    background: var(--surface-alt);
    border-color: #94a3b8;
    box-shadow: var(--shadow-sm);
}
.btn.danger { background: var(--danger); border-color: var(--danger); }
.btn.danger:hover { background: #dc2626; border-color: #dc2626; }

/* ─── Tables ───────────────────────────────────────────────────────────── */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13.5px;
}
th, td {
    padding: 12px 14px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
th {
    background: var(--surface-alt);
    color: var(--text-muted);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}
tr:hover td { background: var(--surface-alt); }
.num { text-align: right; font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }

/* ─── Alerts ───────────────────────────────────────────────────────────── */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 13.5px;
    border-left: 3px solid;
    line-height: 1.5;
}
.alert.ok    { background: var(--success-soft); color: #065f46; border-color: var(--success); }
.alert.err   { background: var(--danger-soft);  color: #991b1b; border-color: var(--danger); }
.alert.info  { background: var(--info-soft);    color: #075985; border-color: var(--info); }
.alert.warn  { background: var(--warning-soft); color: #92400e; border-color: var(--warning); }

/* ─── Login ────────────────────────────────────────────────────────────── */
.login-wrap {
    max-width: 400px;
    margin: 100px auto;
    padding: 0 20px;
}
.login-wrap .card { padding: 32px 32px; box-shadow: var(--shadow-lg); }
.login-wrap h2 {
    margin-bottom: 22px;
    font-size: 19px;
    text-align: center;
    display: block;
}
.login-wrap h2::before { display: none; }
.login-wrap button {
    width: 100%;
    padding: 12px;
    font-size: 14.5px;
    margin-top: 6px;
}

/* ─── Stat cards ───────────────────────────────────────────────────────── */
.stat {
    display: inline-block;
    padding: 18px 24px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #fff;
    border-radius: var(--radius);
    margin-right: 14px;
    min-width: 160px;
    box-shadow: var(--shadow);
}
.stat .v {
    display: block;
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.5px;
    font-variant-numeric: tabular-nums;
}
.stat .l {
    display: block;
    font-size: 11px;
    opacity: 0.85;
    margin-top: 4px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.muted { color: var(--text-muted); font-size: 13px; line-height: 1.55; }
.muted code { background: var(--surface-alt); padding: 1px 5px; border-radius: 3px; font-size: 12px; color: var(--text); }

/* ─── Branch selection cards (sube_sec.php) ────────────────────────────── */
.branch-list { display: grid; gap: 12px; }
.branch-card {
    display: block;
    padding: 18px 22px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    text-align: left;
    font: inherit;
    width: 100%;
}
.branch-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-1px);
    border-color: var(--border-strong);
}
.branch-card .title {
    font-weight: 600;
    font-size: 16px;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}
.branch-card .meta {
    color: var(--text-muted);
    font-size: 12.5px;
    line-height: 1.5;
}
.branch-card .meta code {
    background: var(--surface-alt);
    padding: 1px 6px;
    border-radius: 3px;
    font-size: 11.5px;
    color: var(--text);
}

/* Status dot */
.dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 0 2px rgba(255,255,255,0.5);
}
.dot.online  { background: var(--success); box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2); animation: pulse-green 2s infinite; }
.dot.offline { background: var(--danger); }
.dot.unknown { background: var(--text-subtle); }

@keyframes pulse-green {
    0%, 100% { box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2); }
    50%      { box-shadow: 0 0 0 6px rgba(16, 185, 129, 0.0); }
}

/* Branch cards colored by state */
.branch-card.online  { border-left: 4px solid var(--success); }

.branch-card.offline {
    border-left: 4px solid var(--danger);
    background: #fffafa;
    opacity: 0.7;
    cursor: not-allowed;
}
.branch-card.offline:hover {
    /* disabled — hover efektini iptal et */
    box-shadow: var(--shadow-sm);
    transform: none;
    border-color: var(--border);
    border-left-color: var(--danger);
}
.branch-card.offline .title { color: #64748b; }

.branch-card.expired {
    border-left: 4px solid #94a3b8;
    background: #f8fafc;
    opacity: 0.65;
    cursor: not-allowed;
}
.branch-card.expired:hover {
    box-shadow: var(--shadow-sm);
    transform: none;
    border-color: var(--border);
    border-left-color: #94a3b8;
}
.branch-card.expired .title { color: #64748b; }

.branch-badge {
    display: inline-block;
    font-size: 10.5px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 20px;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    margin-left: 6px;
}
.branch-badge.online  { background: var(--success-soft); color: #065f46; }
.branch-badge.offline { background: var(--danger-soft);  color: #991b1b; }
.branch-badge.expired { background: #f1f5f9; color: #64748b; }

/* Health summary strip (sube_sec.php top) */
.health-strip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 12.5px;
    color: var(--text-muted);
    margin-bottom: 18px;
}
.health-strip .dot { width: 8px; height: 8px; }
.health-strip.err { background: var(--danger-soft); color: #991b1b; border-color: #fecaca; }

/* ============================================================================
 * ŞUBE DEĞİŞTİRİCİ (TOPBAR DROPDOWN)
 * ============================================================================ */
.sube-switcher {
    position: relative;
    display: inline-block;
}
.sube-switcher-toggle {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.18);
    padding: 6px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    font-family: inherit;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.sube-switcher-toggle:hover {
    background: rgba(255,255,255,0.18);
    border-color: rgba(255,255,255,0.35);
}
.sube-switcher-toggle .caret {
    font-size: 10px;
    transition: transform 0.18s;
    opacity: 0.85;
}
.sube-switcher.open .sube-switcher-toggle .caret { transform: rotate(180deg); }

.sube-switcher-menu {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 280px;
    max-height: 380px;
    overflow-y: auto;
    background: #fff;
    color: #222;
    border-radius: 6px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.18);
    border: 1px solid #e1e4e8;
    z-index: 100;
}
.sube-switcher.open .sube-switcher-menu { display: block; }

.sube-switcher-head {
    padding: 10px 14px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: #888;
    background: #fafbfc;
    border-bottom: 1px solid #e1e4e8;
}

.sube-switcher-form { margin: 0; }

.sube-switcher-item {
    width: 100%;
    text-align: left;
    background: transparent;
    border: 0;
    padding: 10px 14px;
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    color: #222;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid #f0f2f5;
    transition: background 0.12s;
}
.sube-switcher-item:last-child { border-bottom: 0; }
.sube-switcher-item:hover { background: #f5f7fa; }
.sube-switcher-item.cur {
    background: #e3f2fd;
    color: #1565C0;
    font-weight: 600;
    cursor: default;
}
.sube-switcher-item.cur:hover { background: #e3f2fd; }
.sube-switcher-item.expired {
    color: #aaa;
    cursor: not-allowed;
}
.sube-switcher-item[disabled] {
    cursor: not-allowed;
    opacity: 0.7;
}

.sube-switcher-item .sube-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}
.sube-switcher-item .sube-dot.cur     { background: #1565C0; }
.sube-switcher-item .sube-dot.online  { background: #2E7D32; }
.sube-switcher-item .sube-dot.offline { background: #C62828; }
.sube-switcher-item .sube-dot.expired { background: #999; }

.sube-switcher-item .sube-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: #1e293b;
    font-weight: 600;
}

.sube-switcher-item .sube-tag {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    padding: 2px 7px;
    border-radius: 10px;
    background: #1565C0;
    color: #fff;
}
.sube-switcher-item .sube-tag.online  { background: #E8F5E9; color: #2E7D32; }
.sube-switcher-item .sube-tag.offline { background: #FFEBEE; color: #C62828; }
.sube-switcher-item .sube-tag.expired { background: #ECEFF1; color: #607D8B; }

/* ============================================================================
 * MENU GROUPS (kategorize edilmiş ana menü)
 * ============================================================================ */
.menu-group {
    margin-bottom: 26px;
}
.menu-group:last-child { margin-bottom: 0; }

.menu-group-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-muted, #66778f);
    margin: 0 0 12px 0;
    padding: 8px 0 8px 14px;
    border-left: 4px solid #d0d7de;
    display: flex;
    align-items: center;
    gap: 10px;
}
.menu-group-title .ico {
    font-size: 18px;
    line-height: 1;
}

/* Kategori-bazlı renkler */
.menu-group-title.stok  { border-left-color: #2E7D32; color: #1B5E20; }
.menu-group-title.urun  { border-left-color: #EF6C00; color: #BF4F00; }
.menu-group-title.rapor { border-left-color: #1565C0; color: #0D47A1; }

/* Karta da hafif renk vurgusu — solda renk şeridi */
.menu-group .menu > a {
    position: relative;
    overflow: hidden;
}
.menu-group .menu > a::before {
    content: "";
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 3px;
    background: transparent;
    transition: background 0.2s, width 0.2s;
}
.menu-group .menu > a:hover::before { width: 5px; }

.menu-group:nth-of-type(1) .menu > a::before { background: #2E7D32; opacity: 0.85; }
.menu-group:nth-of-type(2) .menu > a::before { background: #EF6C00; opacity: 0.85; }
.menu-group:nth-of-type(3) .menu > a::before { background: #1565C0; opacity: 0.85; }

/* ═══════════════════════════════════════════════════════════════════════════
 * SOL SIDEBAR — render_sidebar() ile birlikte kullanılır
 * ═══════════════════════════════════════════════════════════════════════════ */

:root {
    --sb-w: 240px;
    --sb-bg: #0f172a;            /* topbar ile aynı slate-900 */
    --sb-bg-2: #1e293b;          /* topbar gradient'in açık ucu */
    --sb-text: #cbd5e1;          /* topbar user yazısı */
    --sb-text-mute: #94a3b8;
    --sb-active: #fff;
    --sb-hover: rgba(255,255,255,0.06);
    --sb-submenu-bg: #fff;
    --sb-submenu-text: #1e293b;
    --sb-submenu-active: #4f46e5;     /* indigo accent */
    --sb-submenu-active-bg: #eef2ff;
}

/* Layout: sayfada sidebar varsa container sola margin alır */
body.has-sidebar { padding-left: var(--sb-w); transition: padding-left 0.2s; }
body.has-sidebar .container { max-width: none; margin: 28px 24px; padding: 0; }
body.has-sidebar .topbar { padding-left: 28px; }

.sidebar {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    width: var(--sb-w);
    background: linear-gradient(180deg, var(--sb-bg) 0%, var(--sb-bg-2) 100%);
    color: var(--sb-text);
    z-index: 90;
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: 2px 0 10px rgba(0,0,0,0.08);
    transition: transform 0.22s ease;
}

.sidebar-brand {
    padding: 18px 20px 14px;
    border-bottom: 1px solid rgba(255,255,255,0.10);
    background: rgba(0,0,0,0.10);
}
.sidebar-brand-title {
    font-size: 17px;
    font-weight: 800;
    letter-spacing: 0.4px;
    color: #fff;
    margin-bottom: 6px;
}
.sidebar-brand-sub {
    font-size: 11px;
    color: var(--sb-text-mute);
    display: flex; align-items: center; gap: 6px; flex-wrap: wrap;
}
.role-badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 10px;
    font-weight: 800;
    font-size: 9px;
    letter-spacing: 0.5px;
}
.role-badge.admin { background: #dc2626; color: #fff; }
.role-badge.sube  { background: #16a34a; color: #fff; }
/* Sidebar brand içindeki şube ismi — selector daraltıldı,
   topbar dropdown'undaki .sube-name ile çakışmasın diye */
.sidebar-brand .sube-name { font-weight: 700; color: #fff; }

.sidebar-nav { padding: 8px 0 24px; }

/* Tek seviyeli link */
.sidebar-link {
    display: flex; align-items: center; gap: 11px;
    padding: 11px 20px;
    color: var(--sb-text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.12s, color 0.12s;
    border-left: 3px solid transparent;
}
.sidebar-link:hover { background: var(--sb-hover); color: var(--sb-active); }
.sidebar-link.active {
    background: rgba(255,255,255,0.12);
    color: var(--sb-active);
    border-left-color: #fff;
    font-weight: 700;
}
.sidebar-link.logout { color: #fca5a5; }
.sidebar-link.logout:hover { background: rgba(220,38,38,0.18); color: #fff; }
.sidebar-link .ico { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }

.sidebar-divider {
    height: 1px;
    background: rgba(255,255,255,0.08);
    margin: 12px 20px;
}

/* Açılır grup */
.sidebar-group { border-left: 3px solid transparent; transition: border-left-color 0.15s; }
.sidebar-group.open { border-left-color: rgba(255,255,255,0.55); }

.sidebar-group-toggle {
    width: 100%;
    display: flex; align-items: center; gap: 11px;
    padding: 11px 20px;
    background: transparent; border: 0; color: var(--sb-text);
    font-family: inherit; font-size: 13px; font-weight: 500;
    cursor: pointer; text-align: left;
    transition: background 0.12s, color 0.12s;
}
.sidebar-group-toggle:hover { background: var(--sb-hover); color: var(--sb-active); }
.sidebar-group-toggle .ico  { font-size: 16px; width: 20px; text-align: center; flex-shrink: 0; }
.sidebar-group-toggle .ttl  { flex: 1; }
.sidebar-group-toggle .caret { font-size: 10px; opacity: 0.7; transition: transform 0.18s; }
.sidebar-group.open .sidebar-group-toggle { background: rgba(0,0,0,0.18); color: #fff; }
.sidebar-group.open .sidebar-group-toggle .caret { transform: rotate(180deg); }

/* Açılır submenu — beyaz panel */
.sidebar-submenu {
    display: none;
    background: var(--sb-submenu-bg);
    color: var(--sb-submenu-text);
    border-bottom: 1px solid rgba(0,0,0,0.05);
}
.sidebar-group.open .sidebar-submenu { display: block; }
.sidebar-submenu-head {
    padding: 10px 20px 6px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.6px;
    color: #94a3b8;
    text-transform: uppercase;
}
.sidebar-submenu a {
    display: block;
    padding: 8px 20px 8px 32px;
    color: var(--sb-submenu-text);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.1s, color 0.1s;
    border-left: 3px solid transparent;
}
.sidebar-submenu a:hover { background: #f1f5f9; color: var(--sb-submenu-active); }
.sidebar-submenu a.active {
    background: var(--sb-submenu-active-bg);
    color: var(--sb-submenu-active);
    border-left-color: var(--sb-submenu-active);
    font-weight: 700;
}

/* Hamburger ve overlay (sadece mobile) */
.sidebar-burger {
    display: none;
    position: fixed; top: 13px; left: 14px; z-index: 110;
    width: 38px; height: 38px;
    background: rgba(255,255,255,0.95);
    border: 1px solid #d0d7de; border-radius: 6px;
    font-size: 18px; cursor: pointer; color: #0f172a;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
}
.sidebar-overlay {
    display: none;
    position: fixed; inset: 0; background: rgba(0,0,0,0.45);
    z-index: 80; backdrop-filter: blur(2px);
}

/* Mobile (< 980px) */
@media (max-width: 980px) {
    body.has-sidebar { padding-left: 0; }
    .sidebar { transform: translateX(-100%); }
    body.sidebar-open .sidebar { transform: translateX(0); }
    body.sidebar-open .sidebar-overlay { display: block; }
    .sidebar-burger { display: block; }
    body.has-sidebar .topbar { padding-left: 64px; }
    body.has-sidebar .container { margin: 18px 14px; }
}

/* ═══════════════════════════════════════════════════════════════════════════
 * MOBILE-FIRST UYUM PAKETİ
 * Tablet ve telefon için kapsamlı responsive ayarlar
 * ═══════════════════════════════════════════════════════════════════════════ */

/* ───── TABLET (≤ 980px) — sidebar yan menü kapalı, hamburger aktif ───── */
@media (max-width: 980px) {
    .sidebar {
        width: 280px;          /* mobilde biraz daha geniş, dokunmatik için */
        max-width: 86vw;       /* ekrana sığsın */
    }
    .sidebar-link, .sidebar-group-toggle {
        padding: 13px 20px;    /* daha büyük touch hedefi */
        font-size: 14px;
    }
    .sidebar-submenu a {
        padding: 11px 20px 11px 36px;
        font-size: 14px;
    }
}

/* ───── TELEFON (≤ 768px) — global sıkılaştırma ───── */
@media (max-width: 768px) {
    /* iOS Safari odaklanınca otomatik zoom yapmasın */
    input[type="text"], input[type="email"], input[type="password"],
    input[type="number"], input[type="date"], input[type="search"],
    input[type="tel"], input[type="url"], select, textarea {
        font-size: 16px !important;
    }

    /* Container & card sıkılaştırma */
    body.has-sidebar { padding-left: 0; }
    body.has-sidebar .container { margin: 12px 10px; }
    .container { margin: 14px 10px; padding: 0; max-width: none; }
    .card { padding: 16px 14px; margin-bottom: 14px; border-radius: 8px; }
    .card h2 { font-size: 15px; margin-bottom: 14px; }
    .card h2::before { height: 16px; }

    /* Topbar — kompakt */
    .topbar {
        padding: 10px 14px 10px 60px;     /* sol 60px hamburger için */
        gap: 8px;
        flex-wrap: wrap;
    }
    .topbar h1 { font-size: 14px; flex: 1; min-width: 0; }
    .topbar > div {
        display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
        font-size: 11px;
    }
    .topbar .user {
        font-size: 11px; margin-right: 0;
        max-width: 100%; overflow: hidden;
        text-overflow: ellipsis; white-space: nowrap;
    }
    .topbar a {
        margin-left: 0; padding: 4px 8px;
        font-size: 12px; border-radius: 4px;
        background: rgba(255,255,255,0.08);
    }

    /* Şube switcher mobile */
    .sube-switcher-toggle { font-size: 11px; padding: 6px 10px; }
    .sube-switcher-menu { width: 90vw; max-width: 320px; right: -10px; }

    /* Hamburger pozisyonu */
    .sidebar-burger { top: 9px; left: 10px; width: 42px; height: 42px; font-size: 20px; }

    /* KPI / Stat grid'ler — agresif daraltma */
    .dash-grid, .stat-grid, .kpi-grid,
    .info-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 10px !important;
    }
    .kpi-card, .stat-card, .info-card {
        padding: 12px !important;
    }
    .kpi-card .val, .stat-card .val, .info-card .val {
        font-size: 20px !important;
    }
    .kpi-card .lbl, .stat-card .lbl, .info-card .lbl {
        font-size: 10px !important;
    }

    /* Quick action grid (dashboard kartlar) */
    .quick-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .quick-card { padding: 12px; font-size: 12px; }
    .quick-card .ico { font-size: 24px; }
    .quick-card .ttl { font-size: 13px; }
    .quick-card .dsc { font-size: 11px; }

    /* Sipariş yeni — sepet alta düşsün */
    .layout {
        grid-template-columns: 1fr !important;
    }
    .sepet {
        position: static !important;     /* sticky'i kaldır */
        margin-top: 14px;
    }
    .urun-grid {
        grid-template-columns: 1fr !important;
    }

    /* Form'lar mobile */
    .form-grid, .form-row {
        grid-template-columns: 1fr !important;
    }
    .form-row label { font-size: 11px; }
    .form-row input, .form-row select, .form-row textarea {
        padding: 10px 12px;
    }

    /* Toolbar (filtre çubukları) */
    .toolbar form, .toolbar {
        flex-direction: column !important;
        align-items: stretch !important;
    }
    .toolbar .field {
        width: 100%;
    }
    .toolbar input, .toolbar select {
        width: 100%; box-sizing: border-box;
        min-width: 0 !important;
    }
    .toolbar button, .toolbar a {
        width: 100%; box-sizing: border-box; text-align: center;
    }

    /* Butonlar genel — touch friendly */
    button, .btn, input[type="submit"] {
        min-height: 42px;
    }

    /* Tablolar — yatay scroll (zaten bazılarında var) */
    table { font-size: 12px; }
    table th, table td { padding: 8px 10px !important; }

    /* Sipariş detay header */
    .header-bar {
        flex-direction: column !important;
        align-items: flex-start !important;
        padding: 14px !important;
    }
    .header-bar .no { font-size: 18px !important; }
    .header-bar .durum { font-size: 11px !important; padding: 5px 12px !important; }

    /* Üretim fişi başlık */
    .uretim-baslik {
        flex-direction: column !important;
        align-items: flex-start !important;
        padding: 14px 16px !important;
        gap: 10px !important;
    }
    .uretim-baslik h2 { font-size: 16px !important; }

    /* Excel/CSV cards (export+import) */
    .excel-grid {
        grid-template-columns: 1fr !important;
    }

    /* Lot durum kartları (4 kart → 2x2) */
    .lot-form .grid {
        grid-template-columns: 1fr 1fr !important;
    }
    .lot-form .grid .full {
        grid-column: 1 / -1 !important;
    }

    /* Sidebar brand / submenu mobile düzeni */
    .sidebar-brand {
        padding: 14px 18px 12px;
    }
    .sidebar-brand-title { font-size: 16px; }

    /* Senkron banner */
    .senkron-bar {
        flex-direction: column !important;
        align-items: stretch !important;
    }
    .senkron-btn { width: 100%; }

    /* Admin actions */
    .admin-actions .btn-row {
        flex-direction: column !important;
    }
    .admin-actions button { width: 100% !important; }

    /* Ürün kartları (sipariş yeni) */
    .urun-card .qty-row {
        flex-wrap: wrap;
    }
    .urun-card .qty-row input {
        width: 100% !important; box-sizing: border-box;
    }
    .urun-card .qty-row .add-btn { width: 100%; }

    /* Render sidebar overlay z-index */
    body.sidebar-open { overflow: hidden; }    /* arka plan scroll'u kilitle */
}

/* ───── KÜÇÜK TELEFON (≤ 480px) — daha agresif ───── */
@media (max-width: 480px) {
    .topbar h1 { font-size: 12px; }
    .topbar .user { font-size: 10px; }
    .card { padding: 14px 12px; }
    .container { margin: 10px 8px; }
    .dash-grid, .stat-grid, .kpi-grid {
        grid-template-columns: 1fr !important;   /* tek sütuna in */
    }
    .kpi-card .val, .stat-card .val, .info-card .val {
        font-size: 22px !important;
    }
    .quick-grid { grid-template-columns: 1fr; }
    table { font-size: 11px; }
    table th, table td { padding: 6px 8px !important; }
    .lot-form .grid { grid-template-columns: 1fr !important; }
    .lot-form .grid .full { grid-column: auto !important; }
}