/* entak - proje-ozel stiller.
   Bootstrap 5.3.3 ve Bootstrap Icons static/vendor/ altindan yerel yuklenir
   (CDN kullanilmaz, bkz. md/softwarestandarts.md > "Template / Frontend
   Standartlari"). Bu dosya Bootstrap'i EZMEZ, ustune ekler: renk paleti,
   app shell (navbar+sidebar fixed layout), sidebar detaylari, dark mode,
   font, link gorunumu. */

/* ============================================================
   Font: Roboto (self-hosted)
   ============================================================ */

/* NOT: Google Fonts CSS2 API bu subsetler icin variable font sunmadigi
   icin indirilen dosyalar sabit 400 (normal) agirliktadir. font-weight:
   normal olarak tanimlanir; kalin metin (h1-h6, .fw-bold vb.) tarayicinin
   sentetik bold'una duser - gercek bir Bold woff2 eklenirse ikinci bir
   @font-face (font-weight: 700) ile burasi genisletilir. */
@font-face {
    font-family: "Roboto";
    src: url("../vendor/roboto/roboto-latin.woff2") format("woff2");
    font-weight: normal;
    font-style: normal;
    font-display: swap;
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: "Roboto";
    src: url("../vendor/roboto/roboto-latin-ext.woff2") format("woff2");
    font-weight: normal;
    font-style: normal;
    font-display: swap;
    unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

body {
    font-family: "Roboto", -apple-system, "Segoe UI", Arial, sans-serif;
}

/* ============================================================
   Global Renk Paleti (bkz. softwarestandarts.md > "Global Renk Paleti")
   ============================================================ */

:root {
    /* Marka / vurgu */
    --primary: #2a78d6;
    --primary-hover: #2064b8;
    --primary-subtle: #e8f1fb;

    /* Durum (temalanmaz) */
    --status-good: #0ca30c;
    --status-warning: #fab219;
    --status-serious: #ec835a;
    --status-critical: #d03b3b;

    /* Yuzey */
    --surface-page: #f9f9f7;
    --surface-card: #fcfcfb;
    --surface-hover: #f1f0ed;

    /* Metin */
    --text-primary: #0b0b0b;
    --text-secondary: #52514e;
    --text-muted: #898781;

    /* Kenarlik */
    --border: #e1e0d9;
    --border-strong: #c3c2b7;

    /* App shell */
    --topbar-height: 56px;
    --sidebar-width: 220px;
    --sidebar-width-collapsed: 64px;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --primary: #3987e5;
        --primary-hover: #4c96ea;
        --primary-subtle: #1a2c40;
        --surface-page: #0d0d0d;
        --surface-card: #1a1a19;
        --surface-hover: #242422;
        --text-primary: #ffffff;
        --text-secondary: #c3c2b7;
        --border: #2c2c2a;
        --border-strong: #383835;
    }
}

:root[data-theme="dark"] {
    --primary: #3987e5;
    --primary-hover: #4c96ea;
    --primary-subtle: #1a2c40;
    --surface-page: #0d0d0d;
    --surface-card: #1a1a19;
    --surface-hover: #242422;
    --text-primary: #ffffff;
    --text-secondary: #c3c2b7;
    --border: #2c2c2a;
    --border-strong: #383835;
}

body {
    background-color: var(--surface-page);
    color: var(--text-primary);
}

/* ============================================================
   Link Gorunumu (bkz. softwarestandarts.md > "Link Gorunumu Standardi")
   ============================================================ */

a {
    text-decoration: none;
    color: var(--text-primary);
}
a:hover {
    text-decoration: underline;
}
.app-navbar a, .app-sidebar a, .navbar-brand-slot a {
    color: inherit;
}

/* ============================================================
   Erisilebilirlik: skip-to-content linki
   ============================================================ */

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 2000;
}
.skip-link:focus {
    left: 8px;
    top: 8px;
    padding: 8px 16px;
    background: var(--surface-card);
    color: var(--text-primary);
    border-radius: 4px;
}

/* ============================================================
   App Shell Fixed Layout (bkz. softwarestandarts.md > "App Shell Fixed Layout")
   ============================================================ */

body {
    padding-top: var(--topbar-height);
    margin: 0;
}

.app-navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-height);
    z-index: 1030;
    display: flex;
    align-items: stretch;
    background: var(--surface-card);
    border-bottom: 1px solid var(--border);
}

.app-sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    overflow-y: auto;
    z-index: 1025;
    transition: width 0.2s ease;
    background: var(--surface-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}

.app-shell.sidebar-collapsed .app-sidebar {
    width: var(--sidebar-width-collapsed);
}

.app-content {
    margin-left: var(--sidebar-width);
    transition: margin-left 0.2s ease;
    padding: 24px;
}

.app-shell.sidebar-collapsed .app-content {
    margin-left: var(--sidebar-width-collapsed);
}

@media (max-width: 768px) {
    .app-sidebar {
        display: none;
    }
    .app-content {
        margin-left: 0;
    }
    .app-shell.sidebar-mobile-open .app-sidebar {
        display: flex;
        width: 240px;
        z-index: 1040;
    }
}

/* ============================================================
   Navbar ic yapisi
   ============================================================ */

.navbar-brand-slot {
    width: var(--sidebar-width);
    display: flex;
    align-items: center;
    padding: 0 16px;
    border-right: 1px solid var(--border);
    font-weight: 700;
    font-size: 1.1rem;
    transition: width 0.2s ease;
    flex-shrink: 0;
}
.app-shell.sidebar-collapsed .navbar-brand-slot {
    width: var(--sidebar-width-collapsed);
    justify-content: center;
    padding: 0;
}
.app-shell.sidebar-collapsed .navbar-brand-slot .brand-full {
    display: none;
}
.navbar-brand-slot .brand-mini {
    display: none;
}
.app-shell.sidebar-collapsed .navbar-brand-slot .brand-mini {
    display: inline;
}

.navbar-main {
    flex: 1 1 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
}

.navbar-hamburger {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-primary);
    cursor: pointer;
}
@media (max-width: 768px) {
    .navbar-hamburger {
        display: inline-flex;
    }
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}
.navbar-actions .nav-icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 1.2rem;
    padding: 6px 8px;
    border-radius: 4px;
    cursor: pointer;
    position: relative;
    display: inline-flex;
    align-items: center;
}
.navbar-actions .nav-icon-btn:hover {
    background: var(--surface-hover);
}
.navbar-actions .badge-dot {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--status-critical);
}

/* ============================================================
   Sidebar menu
   ============================================================ */

.app-sidebar .nav {
    flex: 1 1 auto;
    list-style: none;
    padding-left: 0;
    margin: 8px 0;
}

/* KRITIK: ic ice nav-submenu .nav sinifini TASIMAZ, list-style ayrica
   tanimlanmazsa tarayici varsayilan disc bullet'i ikonla ust uste biner.
   bkz. softwarestandarts.md > "Sidebar standardi" kritik hata kalibi. */
.nav-submenu {
    list-style: none;
    padding-left: 0;
    margin-bottom: 0;
}

.app-sidebar .nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    white-space: nowrap;
    overflow: hidden;
}
.app-sidebar .nav-link:hover {
    background: var(--surface-hover);
    text-decoration: none;
}
.app-sidebar .nav-link.active {
    background: var(--primary-subtle);
    color: var(--primary);
}
.app-sidebar .nav-submenu .nav-link {
    padding-left: 40px;
}
.app-sidebar .label {
    overflow: hidden;
    text-overflow: ellipsis;
}
.app-shell.sidebar-collapsed .app-sidebar .label,
.app-shell.sidebar-collapsed .app-sidebar .chevron {
    display: none;
}
.app-sidebar .chevron {
    margin-left: auto;
    transition: transform 0.15s ease;
}
.app-sidebar .nav-link[aria-expanded="true"] .chevron {
    transform: rotate(180deg);
}

/* Daraltilmis modda flyout (hover/focus ile acilan alt menu) */
.app-shell.sidebar-collapsed .has-submenu {
    position: relative;
}
.app-shell.sidebar-collapsed .has-submenu .nav-submenu {
    display: none;
    position: absolute;
    left: 100%;
    top: 0;
    min-width: 200px;
    background: var(--surface-card);
    border: 1px solid var(--border);
    border-radius: 0 4px 4px 0;
    box-shadow: 2px 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 1026;
}
.app-shell.sidebar-collapsed .has-submenu:hover .nav-submenu,
.app-shell.sidebar-collapsed .has-submenu:focus-within .nav-submenu {
    display: block;
}
.app-shell.sidebar-collapsed .has-submenu .nav-submenu .nav-link {
    padding-left: 16px;
}
.app-shell.sidebar-collapsed .has-submenu .nav-submenu .label {
    display: inline;
}

/* Sidebar toggle butonu: .app-shell'in DOGRUDAN COCUGU olmali, <aside>
   icinde OLMAMALI - aksi halde stacking context yuzunden navbar arkasinda
   kaybolur. bkz. softwarestandarts.md kritik hata kalibi. */
.sidebar-toggle-btn {
    position: fixed;
    top: calc(var(--topbar-height) / 2);
    left: var(--sidebar-width);
    transform: translate(-50%, -50%);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid var(--border-strong);
    background: var(--surface-card);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1031;
    transition: left 0.2s ease;
    padding: 0;
}
/* Descendant combinator (bosluk) - sibling (~) DEGIL. Toggle buton
   .app-shell'in cocugu, sidebar'in kardesi oldugu icin ~ hicbir zaman
   eslesmez. bkz. softwarestandarts.md kritik hata kalibi. */
.app-shell.sidebar-collapsed .sidebar-toggle-btn {
    left: var(--sidebar-width-collapsed);
}
@media (max-width: 768px) {
    .sidebar-toggle-btn {
        display: none;
    }
}

/* Sidebar versiyon satiri */
.sidebar-version {
    margin-top: auto;
    border-top: 1px solid var(--border);
    padding: 8px 16px;
    font-size: 0.75rem;
    color: var(--text-muted);
}
.app-shell.sidebar-collapsed .sidebar-version {
    padding: 8px 4px;
    text-align: center;
    font-size: 0.65rem;
}

/* ============================================================
   Ortak yardimci siniflar
   ============================================================ */

.help-icon {
    cursor: help;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
    padding: 32px 16px;
}
.empty-state .bi {
    font-size: 2rem;
    display: block;
    margin-bottom: 8px;
}

.table-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.table-toolbar .filters {
    display: flex;
    gap: 8px;
    flex-wrap: nowrap;
    flex: 1;
    min-width: 220px;
    max-width: 420px;
}
.table-toolbar .filters .form-control {
    flex: 1 1 auto;
    min-width: 0;
}

.btn-group-with-form .btn-group-item-form {
    display: contents;
}

.simulation-banner {
    background: var(--status-warning);
    color: #3d2b00;
    padding: 8px 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}