/* Mobile-first; @media (min-width: 768px) desktop override */

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { color-scheme: light dark; }
body {
    font-family: var(--font-sans);
    font-size: var(--text-base);
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
    -webkit-font-smoothing: antialiased;
}
@media (min-width: 768px) {
    body {
        grid-template-columns: 260px 1fr;
        grid-template-rows: 1fr auto;
        grid-template-areas:
            "sidebar main"
            "sidebar footer";
    }
    body > main { grid-area: main; }
    .app-footer { grid-area: footer; }
}
/* main bir grid item; default min-width:auto icerik genisligine kilitler — genis tablo /
   wizard-nav gibi ogeler main'i viewport'tan genis tutup sayfayi yatay tasirir.
   min-width:0 ile main viewport'a kuculur; .table__wrap / .wizard-nav overflow-x:auto
   ile kendi icinde scroll olur. (mobil yatay tasma kok cozumu) */
body > main { min-width: 0; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
img, svg { display: block; max-width: 100%; }

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: var(--space-4);
}
@media (min-width: 768px) {
    .container { padding: var(--space-6); }
}

/* Sidebar (sol kolon) */
.app-nav {
    background: var(--bg-elevated);
    border-right: 1px solid var(--border);
    display: flex; flex-direction: column;
}
@media (min-width: 768px) {
    .app-nav {
        grid-area: sidebar;
        position: sticky; top: 0;
        height: 100vh; overflow-y: auto;
    }

    /* === Sidebar collapsed state (sadece desktop) === */
    html[data-nav-collapsed] body { grid-template-columns: 64px 1fr; }

    /* Tüm text span'leri gizle — sadece ikonlar kalsın */
    html[data-nav-collapsed] .app-nav__brand-text,
    html[data-nav-collapsed] .app-nav__section-title,
    html[data-nav-collapsed] .app-nav__user-row span,
    html[data-nav-collapsed] .app-nav__link span,
    html[data-nav-collapsed] .app-nav__project span:not(.app-nav__brand-mark) { display: none; }

    /* Padding sıkıştır, ikonları ortala */
    html[data-nav-collapsed] .app-nav__brand { padding: var(--space-3); justify-content: center; }
    html[data-nav-collapsed] .app-nav__section { padding: var(--space-2) var(--space-1); }
    html[data-nav-collapsed] .app-nav__bottom { padding: var(--space-2); }
    html[data-nav-collapsed] .app-nav__link,
    html[data-nav-collapsed] .app-nav__project {
        padding: var(--space-2);
        justify-content: center;
        border-left: none;
        border-radius: var(--radius-sm);
    }
    /* Active marker: border-left yerine sağ tarafta soft background */
    html[data-nav-collapsed] .app-nav__link.is-active,
    html[data-nav-collapsed] .app-nav__project.is-active { background: var(--primary-soft); }

    /* Proje listesinde: collapsed iken sadece is-active olan form görünür
       (modern :has() — Chrome 105+/Firefox 121+/Safari 15.4+, prod'da güvenli) */
    html[data-nav-collapsed] .app-nav__form:not(:has(.is-active)) { display: none; }
    /* Secondary aksiyonlar (Yeni proje, Projeleri yönet) gizli — expand'te erişilir */
    html[data-nav-collapsed] .app-nav__project--secondary { display: none; }
    /* Section divider de gereksiz */
    html[data-nav-collapsed] .app-nav__divider { display: none; }

    /* User row: avatar ortala */
    html[data-nav-collapsed] .app-nav__user-row { justify-content: center; padding: var(--space-1) 0; }

    /* Bottom actions: dikey stack — tema + çıkış alt alta */
    html[data-nav-collapsed] .app-nav__bottom-actions { flex-direction: column; }

    /* Collapse toggle: collapsed iken biraz daha kompakt */
    html[data-nav-collapsed] .app-nav__brand-row { flex-direction: column; gap: var(--space-1); padding-bottom: var(--space-2); }
    html[data-nav-collapsed] .app-nav__collapse-toggle { margin: 0; }
}

.app-nav__brand-row {
    display: flex; align-items: center; justify-content: space-between;
    border-bottom: 1px solid var(--border);
}
.app-nav__brand {
    display: flex; align-items: center; gap: var(--space-2);
    padding: var(--space-4);
    color: var(--text); font-weight: 600;
    flex: 1; min-width: 0;
}
.app-nav__brand:hover { text-decoration: none; }
.app-nav__brand-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; border-radius: var(--radius-sm);
    background: var(--primary); color: var(--on-primary);
    font-weight: 700;
    flex-shrink: 0;
}
.app-nav__brand-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Desktop-only collapse toggle (mobile'da gizli — drawer kendi toggle'i var) */
.app-nav__collapse-toggle {
    margin-right: var(--space-2);
    color: var(--text-subtle);
}
@media (max-width: 767.98px) {
    /* .btn compound selector ile: specificity 0,2,0 > sade .btn 0,1,0 ki gizleme kuralim
       sonra gelen .btn { display:inline-flex } tarafindan ezilmesin. */
    .app-nav__collapse-toggle.btn { display: none; }
}
.app-nav__collapse-toggle .icon-when-collapsed { display: none; }
.app-nav__collapse-toggle .icon-when-expanded { display: inline-flex; }
html[data-nav-collapsed] .app-nav__collapse-toggle .icon-when-collapsed { display: inline-flex; }
html[data-nav-collapsed] .app-nav__collapse-toggle .icon-when-expanded { display: none; }

/* "Çıkış" buton içinde: collapsed iken ikon, expanded iken metin */
.app-nav__logout {
    width: 100%; display: flex; align-items: center; justify-content: center; gap: var(--space-2);
}
.app-nav__logout .icon-when-collapsed { display: none; }
.app-nav__logout .icon-when-expanded { display: inline; }
html[data-nav-collapsed] .app-nav__logout .icon-when-collapsed { display: inline-flex; }
html[data-nav-collapsed] .app-nav__logout .icon-when-expanded { display: none; }

.app-nav__section { padding: var(--space-3) var(--space-2); border-bottom: 1px solid var(--border); }
.app-nav__section-title {
    font-size: var(--text-xs); font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--text-subtle);
    margin: 0 0 var(--space-2); padding: 0 var(--space-2);
}

.app-nav__form { margin: 0; }
.app-nav__project, .app-nav__link {
    display: flex; align-items: center; gap: var(--space-2);
    width: 100%; text-align: left;
    padding: var(--space-2) var(--space-3);
    background: transparent; border: none; border-radius: var(--radius-sm);
    font: inherit; font-size: var(--text-sm); color: var(--text); cursor: pointer;
    text-decoration: none;
    border-left: 3px solid transparent;
}
.app-nav__project:hover, .app-nav__link:hover { background: var(--bg-subtle); }
.app-nav__project i[data-lucide], .app-nav__link i[data-lucide] {
    width: 16px; height: 16px; flex-shrink: 0; color: var(--text-subtle);
}
.app-nav__project.is-active, .app-nav__link.is-active {
    background: var(--primary-soft); color: var(--primary); font-weight: 600;
    border-left-color: var(--primary);
}
.app-nav__project.is-active i[data-lucide], .app-nav__link.is-active i[data-lucide] {
    color: var(--primary);
}
.app-nav__project--secondary { color: var(--text-muted); font-size: var(--text-xs); }

.app-nav__divider { border-top: 1px solid var(--border); margin: var(--space-2) 0; }

.app-nav__bottom {
    margin-top: auto;
    /* alt: home-indicator güvenli alanı (viewport-fit=cover ile aşağıda kalmasın) */
    padding: var(--space-3) var(--space-4) calc(var(--space-3) + env(safe-area-inset-bottom));
    border-top: 1px solid var(--border);
    display: flex; flex-direction: column; gap: var(--space-2);
}
.app-nav__user-row {
    display: flex; align-items: center; gap: var(--space-2);
    color: var(--text-muted); font-size: var(--text-sm);
}
.app-nav__user-row i[data-lucide] { width: 18px; height: 18px; }
.app-nav__bottom-actions {
    display: flex; align-items: center; gap: var(--space-2);
}

/* Mobile hamburger toggle (sabit sol üst) — aksiyon butonu olduğu belli olsun diye primary */
.mobile-toggle {
    position: fixed; top: calc(var(--space-3) + env(safe-area-inset-top)); left: var(--space-3);
    z-index: 1100;
    background: var(--primary);
    color: var(--on-primary);
    border: 1px solid var(--primary);
    box-shadow: var(--shadow-md);
}
.mobile-toggle:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.mobile-toggle i[data-lucide] { width: 22px; height: 22px; stroke-width: 2.5; }
@media (min-width: 768px) {
    /* compound selector specificity icin — bkz. collapse-toggle yorumu */
    .mobile-toggle.btn { display: none; }
}

/* Mobile drawer */
@media (max-width: 767.98px) {
    .app-nav {
        position: fixed; top: 0; left: 0;
        width: min(280px, 80vw); height: 100vh;
        z-index: 1000;
        box-shadow: var(--shadow-lg);
        transform: translateX(-100%);
        transition: transform 0.2s ease;
        overflow-y: auto;
    }
    body.nav-open .app-nav { transform: translateX(0); }
    body.nav-open { overflow: hidden; }
    /* Hamburger butonu fixed olarak viewport sol-ustunde duruyor; drawer acilinca
       brand mark 'M' ile cakismasin diye brand'e padding-left ile yer ac. */
    .app-nav__brand { padding-left: 64px; }
    /* Mobile'da main'in üst boşluğunu hamburger için ayarla (top 12px + button ~40px = 52px → 64px güvenli)
       .container (specificity 0,1,0) shorthand padding'i ezmesin diye main.container selector'iyle eşit specificity */
    main.container { padding-top: calc(64px + env(safe-area-inset-top)); }
}

/* Müşteri liste proje rozetleri */
.proje-rozetleri { display: inline-flex; gap: var(--space-1); margin-left: var(--space-2); flex-wrap: wrap; }
.proje-rozet {
    display: inline-block; padding: 1px 6px; border-radius: var(--radius-sm);
    background: var(--bg-subtle); color: var(--text-subtle);
    font-size: var(--text-xs); font-family: var(--font-mono);
}

/* Footer */
.app-footer {
    text-align: center;
    padding: var(--space-6) var(--space-4);
    color: var(--text-subtle);
    font-size: var(--text-xs);
    word-break: break-word;
}

/* Page header */
.page-header { margin-bottom: var(--space-6); }
.page-header__title { font-size: var(--text-2xl); margin: 0 0 var(--space-1); font-weight: 700; }
.page-header__sub { color: var(--text-subtle); margin: 0; font-size: var(--text-sm); }

/* Cards / KPI */
.kpi-grid {
    display: grid; gap: var(--space-3);
    grid-template-columns: repeat(2, 1fr);
    margin-bottom: var(--space-8);
}
@media (min-width: 768px) {
    .kpi-grid { grid-template-columns: repeat(4, 1fr); gap: var(--space-4); }
}
.kpi {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    display: flex; flex-direction: column; gap: var(--space-1);
    box-shadow: var(--shadow-sm);
}
.kpi__label { font-size: var(--text-xs); color: var(--text-subtle); text-transform: uppercase; letter-spacing: 0.04em; }
.kpi__value { font-size: var(--text-3xl); font-weight: 700; color: var(--text); }
.kpi__link { font-size: var(--text-sm); color: var(--primary); margin-top: var(--space-2); }
.kpi__hint { font-size: var(--text-xs); color: var(--text-subtle); margin-top: var(--space-1); }
.kpi__value--money { font-size: var(--text-2xl); white-space: nowrap; }
@media (max-width: 767.98px) {
    /* 2 kolonlu kpi-grid'de buyuk tutarlar tasmasin */
    .kpi__value--money { font-size: var(--text-xl); }
}
.kpi--accent { background: linear-gradient(135deg, var(--primary-soft), var(--surface)); border-color: var(--primary); }
.kpi--danger .kpi__value { color: var(--danger); }

.kpi--link { text-decoration: none; cursor: pointer; transition: transform 0.1s, border-color 0.15s; position: relative; }
.kpi--link:hover { transform: translateY(-2px); border-color: var(--primary); text-decoration: none; }
.kpi__icon { width: 28px; height: 28px; color: var(--text-subtle); position: absolute; top: var(--space-4); right: var(--space-4); }
.kpi--link.kpi--danger .kpi__icon { color: var(--danger); }

.kpi-grid--secondary {
    grid-template-columns: repeat(1, 1fr);
}
@media (min-width: 768px) {
    .kpi-grid--secondary { grid-template-columns: repeat(2, 1fr); }
}

/* Card */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-6);
    overflow: hidden;
}
.card__header {
    padding: var(--space-4); border-bottom: 1px solid var(--border);
    display: flex; align-items: center; justify-content: space-between; gap: var(--space-3);
}
.card__title { margin: 0; font-size: var(--text-base); font-weight: 600; }
.card__body { padding: var(--space-4); }

/* Status list / chips */
.status-list { list-style: none; margin: 0; padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-2); }
.status-list__item { display: flex; align-items: center; justify-content: space-between; gap: var(--space-3); }
.status-list__count { font-weight: 600; color: var(--text); }

.status-chip {
    display: inline-flex; align-items: center;
    padding: var(--space-1) var(--space-3); border-radius: 999px;
    font-size: var(--text-xs); font-weight: 500;
    background: var(--bg-subtle); color: var(--text-muted);
}
.status--bos { background: var(--bg-subtle); color: var(--text-muted); }
.status--satilmis { background: var(--success-soft); color: var(--success); }
.status--rezerve { background: var(--warning-soft); color: var(--warning); }
.status--iskars,
.status--is-karsiligi { background: var(--info-soft); color: var(--info); }
.status--inspayi,
.status--insaatci-payi { background: var(--primary-soft); color: var(--primary); }
.status--iptal { background: var(--danger-soft); color: var(--danger); }
.status--diger,
.status--mekanik-oda,
.status--depo,
.status--otopark,
.status--kategori { background: var(--bg-subtle); color: var(--text-muted); }

/* Yeni durum chip'leri */
.status--satildi { background: var(--success-soft); color: var(--success); }
.status--teslim { background: var(--info-soft); color: var(--info); }
.status--tapulu { background: var(--primary-soft); color: var(--primary); font-weight: 600; }

/* Proje durum */
.status--planlama { background: var(--bg-subtle); color: var(--text-muted); }
.status--insaat { background: var(--info-soft); color: var(--info); }
.status--satis { background: var(--primary-soft); color: var(--primary); }
.status--teslimat { background: var(--warning-soft); color: var(--warning); }
.status--tamamlandi { background: var(--success-soft); color: var(--success); }

/* Tables */
.table {
    width: 100%; border-collapse: separate; border-spacing: 0;
    background: var(--surface);
}
.table th, .table td {
    text-align: left;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--border);
    font-size: var(--text-sm);
}
.table th { background: var(--bg-subtle); color: var(--text-muted); font-weight: 600; }
.table tbody tr:hover { background: var(--bg-subtle); }
.table td.is-numeric, .table th.is-numeric { text-align: right; font-variant-numeric: tabular-nums; }
.table td.is-actions { text-align: right; white-space: nowrap; }
.table__wrap { border: 1px solid var(--border); border-radius: var(--radius-lg); overflow-x: auto; box-shadow: var(--shadow-sm); }

/* Mobile'da gizlenecek sütunlar (th + td'ye eklenir) */
@media (max-width: 767.98px) {
    .is-mobile-hidden { display: none; }
}

/* Toolbar */
.toolbar {
    display: flex; flex-wrap: wrap; gap: var(--space-2);
    margin-bottom: var(--space-4); align-items: center;
}
.toolbar__spacer { flex: 1; }
.toolbar input[type="search"] {
    min-width: 220px;
}
@media (max-width: 767.98px) {
    /* Mobilde arama tam satır kaplasın; min-width 220px filtreleri parçalamasın */
    .toolbar input[type="search"] { min-width: 0; flex: 1 1 100%; }
}

/* Form grid */
.form-grid { display: grid; gap: var(--space-4); grid-template-columns: 1fr; }
@media (min-width: 640px) { .form-grid { grid-template-columns: repeat(2, 1fr); } }
.form-grid .form__field--full { grid-column: 1 / -1; }
.form__error { color: var(--danger); font-size: var(--text-xs); margin-top: var(--space-1); }

/* Detail */
.detail-meta { display: grid; gap: var(--space-3); grid-template-columns: 1fr; margin-bottom: var(--space-6); }
@media (min-width: 640px) { .detail-meta { grid-template-columns: repeat(2, 1fr); } }
.detail-meta__row { display: flex; flex-direction: column; gap: var(--space-1); padding: var(--space-3); background: var(--bg-subtle); border-radius: var(--radius); }
.detail-meta__label { font-size: var(--text-xs); color: var(--text-subtle); text-transform: uppercase; letter-spacing: 0.04em; }
.detail-meta__value { font-size: var(--text-sm); color: var(--text); font-weight: 500; }

.btn--danger { background: var(--surface); color: var(--danger); border-color: var(--danger); }
.btn--danger:hover { background: var(--danger-soft); }
.btn--large { padding: var(--space-3) var(--space-6); font-size: var(--text-base); }

/* Wizard */
.container--wide { max-width: 1400px; }
.wizard-nav {
    position: sticky; top: var(--nav-height); z-index: 5;
    background: var(--bg-elevated); border-bottom: 1px solid var(--border);
    display: flex; gap: var(--space-2); overflow-x: auto;
    padding: var(--space-2) var(--space-4); margin: 0 calc(-1 * var(--space-4)) var(--space-4);
}
.wizard-nav a {
    flex-shrink: 0; padding: var(--space-2) var(--space-3);
    border-radius: var(--radius); color: var(--text-muted);
    font-size: var(--text-sm); white-space: nowrap;
}
.wizard-nav a:hover { background: var(--bg-subtle); color: var(--text); text-decoration: none; }
@media (max-width: 767.98px) {
    /* Mobilde fixed hamburger ile cakismasin + --nav-height offset bosluk birakmasin */
    .wizard-nav { position: static; }
}

.wizard-footer {
    position: sticky; bottom: 0; background: var(--bg);
    padding: var(--space-4) 0; margin-top: var(--space-6);
    border-top: 1px solid var(--border);
}

/* Wizard rows */
.row-item, .row-barter, .row-sched {
    display: grid; gap: var(--space-2);
    grid-template-columns: 1fr;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--border);
    align-items: center;
}
.row-item { grid-template-columns: 1fr; }
@media (min-width: 768px) {
    .row-item   { grid-template-columns: 180px 1fr 180px 40px; }
    .row-barter { grid-template-columns: 110px 1fr 140px 140px 140px 110px 40px; }
    .row-sched  { grid-template-columns: 160px 180px 1fr 40px; }
}
.row-item input, .row-item select,
.row-barter input, .row-barter select,
.row-sched input {
    width: 100%;
}
.row-total {
    margin-top: var(--space-3); text-align: right;
    padding-top: var(--space-3); border-top: 2px solid var(--border-strong);
    font-size: var(--text-lg);
}
.row-total-tr td { background: var(--bg-subtle); }

/* Daire picker */
.apt-picker {
    display: grid; gap: var(--space-2);
    grid-template-columns: 1fr;
}
@media (min-width: 768px) { .apt-picker { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .apt-picker { grid-template-columns: repeat(3, 1fr); } }
.apt-picker__item {
    display: grid; grid-template-columns: 24px 1fr;
    gap: var(--space-2) var(--space-3); align-items: center;
    padding: var(--space-3); border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--surface); cursor: pointer;
}
.apt-picker__item:has(input:checked) { border-color: var(--primary); background: var(--primary-soft); }
/* Cok daire varken liste default gizli; sadece secili (is-visible JS ile) ogeler gorunur */
.apt-picker--others.is-collapsed .apt-picker__item { display: none; }
.apt-picker--others.is-collapsed .apt-picker__item.is-visible { display: grid; }
.apt-picker__label { display: flex; flex-direction: column; gap: 2px; }
.apt-picker__label small { color: var(--text-subtle); font-size: var(--text-xs); }
.apt-picker__extras { grid-column: 1 / -1; display: grid; gap: var(--space-2); grid-template-columns: 1fr 140px; }
@media (max-width: 480px) { .apt-picker__extras { grid-template-columns: 1fr; } }
.apt-picker__amount,
.apt-picker__sahiplik { font-size: var(--text-sm); }
.apt-picker__amount { padding: var(--space-2); border: 1px solid var(--border-strong); border-radius: var(--radius); background-color: var(--bg-elevated); }
.apt-picker__amount:disabled,
.apt-picker__sahiplik:disabled { background-color: var(--bg-subtle); color: var(--text-subtle); cursor: not-allowed; }

.empty-hint { color: var(--text-subtle); padding: var(--space-4); text-align: center; font-size: var(--text-sm); }

.form__field--checkbox label { display: flex; align-items: center; gap: var(--space-2); }

/* Schedule overdue */
.is-overdue td { background: var(--danger-soft) !important; }

/* Sözleşme durum chip extra */
.status--aktif { background: var(--success-soft); color: var(--success); }
.status--taslak { background: var(--bg-subtle); color: var(--text-muted); }

/* Audit diff */
.diff-list { list-style: none; padding: var(--space-2) 0 0; margin: var(--space-2) 0 0; font-size: var(--text-xs); }
.diff-list li { padding: var(--space-1) 0; word-break: break-word; }
.diff-list code { background: var(--bg-subtle); padding: 0 var(--space-1); border-radius: var(--radius-sm); font-family: var(--font-mono); }
.diff-list del { background: var(--danger-soft); color: var(--danger); text-decoration: line-through; padding: 0 var(--space-1); border-radius: var(--radius-sm); }
.diff-list ins { background: var(--success-soft); color: var(--success); text-decoration: none; padding: 0 var(--space-1); border-radius: var(--radius-sm); }
details summary { cursor: pointer; color: var(--primary); font-size: var(--text-xs); }
details[open] summary { margin-bottom: var(--space-1); }

/* Pagination */
.pagination { display: flex; align-items: center; justify-content: center; gap: var(--space-3); margin-top: var(--space-6); }
.pagination__info { color: var(--text-subtle); font-size: var(--text-sm); }

/* Buttons */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    border: 1px solid transparent; border-radius: var(--radius);
    background: var(--bg-elevated); color: var(--text);
    font: inherit; font-weight: 500; font-size: var(--text-sm);
    cursor: pointer; transition: background 0.15s, border-color 0.15s;
    text-decoration: none;
}
.btn:hover { background: var(--bg-subtle); }
.btn--primary { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }
.btn--primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn--ghost { background: transparent; border-color: transparent; color: var(--text-muted); }
.btn--ghost:hover { background: var(--bg-subtle); color: var(--text); }
.btn--icon { padding: var(--space-2); }
.btn--block { width: 100%; }
.btn i[data-lucide] { width: 16px; height: 16px; }
@media (max-width: 767.98px) {
    /* Dokunmatik hedef en az 44px (ikon butonları + tablo aksiyonları) */
    .btn--icon { min-width: 44px; min-height: 44px; }
    .table td.is-actions .btn { min-height: 40px; }
}

/* Forms — global input/select/textarea stilleri.
 * Native select OS-themed; appearance:none + custom SVG chevron.
 * Önemli: background SHORTHAND kullanma — bg-image/bg-repeat'i sıfırlar.
 * Her zaman background-color longhand kullan.
 */
.form { display: flex; flex-direction: column; gap: var(--space-4); }
/* min-width:0 — alan grid/flex item'i olarak icerik genisligine (orn. uzun <select>
   option'i) kilitlenmesin; aksi halde uzun musteri/proje adlari select'i container'dan
   tasirip .card overflow:hidden ile kirptiriyordu. */
.form__field { display: flex; flex-direction: column; gap: var(--space-1); min-width: 0; }
.form__label { font-size: var(--text-sm); font-weight: 500; color: var(--text-muted); }

input[type="text"],
input[type="password"],
input[type="email"],
input[type="date"],
input[type="number"],
input[type="search"],
input[type="tel"],
select,
textarea {
    font: inherit;
    font-size: var(--text-sm);
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius);
    background-color: var(--surface);
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
    line-height: 1.4;
}
.form input[type="text"],
.form input[type="password"],
.form input[type="email"],
.form input[type="date"],
.form input[type="number"],
.form input[type="search"],
.form input[type="tel"],
.form select,
.form textarea {
    font-size: var(--text-base);
}

select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    padding-right: 2.25rem;
    background-image: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 14px 14px;
    cursor: pointer;
    min-height: 36px;
}
:root[data-theme="dark"] select {
    background-image: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-soft);
}
select:hover { border-color: var(--primary); }
select:disabled { background-color: var(--bg-subtle); color: var(--text-subtle); cursor: not-allowed; opacity: 0.7; }

input[type="date"]::-webkit-calendar-picker-indicator { cursor: pointer; opacity: 0.6; }
:root[data-theme="dark"] input[type="date"]::-webkit-calendar-picker-indicator { filter: invert(0.9); }

select option { background-color: var(--surface); color: var(--text); padding: 4px 8px; }

textarea { resize: vertical; min-height: 60px; }

/* Auth (login page) */
.auth {
    min-height: 100vh;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: var(--space-4); gap: var(--space-4);
    background: var(--bg);
}
.auth__card {
    width: 100%; max-width: 380px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    display: flex; flex-direction: column; gap: var(--space-5);
    box-shadow: var(--shadow-lg);
}
.auth__brand { display: flex; align-items: center; gap: var(--space-3); justify-content: center; }
.auth__brand-mark {
    display: inline-flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: var(--radius);
    background: var(--primary); color: var(--on-primary);
    font-weight: 700; font-size: var(--text-xl);
}
.auth__brand-text { margin: 0; font-size: var(--text-xl); font-weight: 600; }
.auth__footer { color: var(--text-subtle); font-size: var(--text-xs); margin: 0; }

/* Flash */
.flash {
    display: flex; align-items: center; gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius); border: 1px solid transparent;
    font-size: var(--text-sm);
    margin-bottom: var(--space-4);
}
.flash--success { background: var(--success-soft); border-color: var(--success); color: var(--success); }
.flash--error   { background: var(--danger-soft);  border-color: var(--danger);  color: var(--danger); }
.flash--info    { background: var(--info-soft);    border-color: var(--info);    color: var(--info); }
.flash__icon { display: inline-flex; }
.flash i[data-lucide] { width: 18px; height: 18px; }

/* Empty state */
.empty-state {
    display: flex; flex-direction: column; align-items: center; gap: var(--space-3);
    padding: var(--space-12) var(--space-4); text-align: center;
}
.empty-state--card {
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}
.empty-state__icon { width: 48px; height: 48px; color: var(--text-subtle); }
.empty-state h2 { margin: 0; font-size: var(--text-xl); font-weight: 600; }
.empty-state p { margin: 0; color: var(--text-muted); }

/* Breadcrumb — hiyerarşik gezinme. Page header üstünde, küçük + ikincil. */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0;
    margin-bottom: .35rem;
    font-size: .875rem;
    color: var(--text-subtle, #888);
    line-height: 1.4;
}
.breadcrumb__link { color: inherit; text-decoration: none; }
.breadcrumb__link:hover { color: var(--text-primary, #000); text-decoration: underline; }
.breadcrumb__current { color: var(--text-muted, #555); font-weight: 500; }
.breadcrumb__sep { margin: 0 .4rem; color: var(--text-subtle, #aaa); }

/* Mobilde tam yol fazla yer kaplar; sadece "← Parent" linki gösterilir,
   ara ayraçlar ve mevcut konum (current) gizlenir. */
@media (max-width: 767.98px) {
    .breadcrumb__sep,
    .breadcrumb__current { display: none; }
    .breadcrumb__link { display: none; }
    .breadcrumb__link:last-of-type {
        display: inline-flex;
        align-items: center;
    }
    .breadcrumb__link:last-of-type::before {
        content: '← ';
        margin-right: .15rem;
    }
}