/* ============================================================
   C-Peak · MOBİL PRO KATMANI v2 — AKIŞKAN (FLUID)
   Tüm kurallar @media (max-width: 900px) içinde.
   Masaüstü düzeni HİÇ etkilenmez.
   Prensip: px yerine clamp(min, ideal, max) — her telefonda
   aynı oranı korur, okunabilirliği sabit tutar.
   ============================================================ */

/* ---------- AKIŞKAN ÖLÇEK (mobil kurallarda kullanılır) ---------- */
:root {
  /* Tipografi */
  --f-xs:  clamp(0.66rem, 0.60rem + 0.28vw, 0.76rem);
  --f-sm:  clamp(0.76rem, 0.70rem + 0.30vw, 0.88rem);
  --f-md:  clamp(0.86rem, 0.80rem + 0.32vw, 0.98rem);
  --f-lg:  clamp(1.00rem, 0.92rem + 0.42vw, 1.16rem);
  --f-xl:  clamp(1.18rem, 1.02rem + 0.80vw, 1.48rem);
  --f-2xl: clamp(1.42rem, 1.20rem + 1.10vw, 1.85rem);
  --f-3xl: clamp(1.70rem, 1.35rem + 1.75vw, 2.30rem);

  /* Boşluk */
  --sp-1:  clamp(3px, 0.7vw, 5px);
  --sp-2:  clamp(6px, 1.4vw, 10px);
  --sp-3:  clamp(10px, 2.2vw, 16px);
  --sp-4:  clamp(14px, 3.0vw, 22px);
  --sp-5:  clamp(18px, 4.0vw, 28px);
  --sp-6:  clamp(24px, 5.2vw, 38px);
  --sp-7:  clamp(32px, 6.6vw, 48px);

  /* Bileşen ölçüleri */
  --radius-sm: clamp(8px, 1.6vw, 10px);
  --radius-md: clamp(12px, 2.4vw, 16px);
  --radius-lg: clamp(16px, 3vw, 22px);

  --mpro-tab-h: clamp(56px, 15vw, 66px);
  --mpro-topbar-h: clamp(52px, 14vw, 60px);
}

@media (max-width: 900px) {

  /* ---------- 0.1) SAFE-AREA + TEMEL ---------- */
  html { -webkit-text-size-adjust: 100%; }
  body {
    padding-bottom: env(safe-area-inset-bottom) !important;
    overflow-x: hidden !important;
    font-size: var(--f-md) !important;
  }
  body.mpro-has-tab main,
  body.mpro-has-tab .container,
  body.mpro-has-tab .wrapper {
    padding-bottom: calc(var(--mpro-tab-h) + env(safe-area-inset-bottom) + var(--sp-4)) !important;
  }

  /* ---------- 0.2) DOKUNMA GERİ BİLDİRİMİ ---------- */
  button, a.btn, a.btn-primary, a.btn-ghost, .btn-primary, .btn-ghost,
  .btn-mini, .qa-btn, .st-quick-card, .tp-quick-card, .admin-tab,
  .odev-card, .card {
    -webkit-tap-highlight-color: transparent;
    transition: transform .12s ease, box-shadow .15s ease,
                background-color .15s ease !important;
  }
  button:active, a.btn:active, .btn-primary:active, .btn-ghost:active,
  .btn-mini:active, .qa-btn:active, .admin-tab:active,
  .st-quick-card:active, .tp-quick-card:active, .odev-card:active {
    transform: scale(.975) !important;
  }

  /* ---------- 0.3) TOPBAR / HAMBURGER ---------- */
  .topbar {
    height: var(--mpro-topbar-h) !important;
    min-height: var(--mpro-topbar-h) !important;
    padding-top: env(safe-area-inset-top) !important;
  }
  .topbar-inner {
    padding: 0 var(--sp-3) !important;
    height: var(--mpro-topbar-h) !important;
    gap: var(--sp-2) !important;
  }

  .mpro-hamburger {
    display: none;
    align-items: center; justify-content: center;
    width: 42px; height: 42px;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.10);
    color: #fff; cursor: pointer; flex-shrink: 0; padding: 0;
  }
  body.mpro-has-nav .mpro-hamburger { display: inline-flex; }
  .mpro-hamburger:active { transform: scale(.94); background: rgba(255,255,255,.12); }
  .mpro-hamburger svg { width: 20px; height: 20px; }

  body.mpro-has-nav .topbar-nav { display: none !important; }
  body.mpro-has-nav .topbar-user-info { display: none !important; }

  /* ---------- 0.4) DRAWER ---------- */
  .mpro-backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0; pointer-events: none;
    transition: opacity .22s ease;
    z-index: 1800;
  }
  body.mpro-drawer-open .mpro-backdrop,
  body.mpro-sheet-open .mpro-backdrop {
    opacity: 1; pointer-events: auto;
  }

  .mpro-drawer {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: min(84vw, 330px);
    background: #131316;
    border-right: 1px solid rgba(255,255,255,.06);
    padding: calc(env(safe-area-inset-top) + var(--sp-5)) var(--sp-5) var(--sp-5);
    transform: translateX(-100%);
    transition: transform .26s cubic-bezier(.22,.9,.28,1);
    z-index: 1900; overflow-y: auto;
    box-shadow: 8px 0 32px rgba(0,0,0,.28);
    display: flex; flex-direction: column; gap: var(--sp-1);
  }
  body.mpro-drawer-open .mpro-drawer { transform: translateX(0); }

  .mpro-drawer-head {
    display: flex; align-items: center; gap: var(--sp-3);
    padding-bottom: var(--sp-4); margin-bottom: var(--sp-3);
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .mpro-drawer-head img { height: clamp(30px, 8vw, 38px); width: auto; }
  .mpro-drawer-head .mpro-drawer-title {
    font-family: 'Fraunces', Georgia, serif;
    font-size: var(--f-lg); font-weight: 600;
    color: #fff; line-height: 1.1;
    display: flex; flex-direction: column;
  }
  .mpro-drawer-head .mpro-drawer-sub {
    font-family: 'Inter', sans-serif;
    font-size: var(--f-xs);
    letter-spacing: .28em; text-transform: uppercase;
    opacity: .55; font-weight: 500; margin-top: 4px;
  }

  .mpro-drawer a,
  .mpro-drawer button.mpro-drawer-item {
    display: flex; align-items: center; gap: var(--sp-3);
    padding: var(--sp-3) var(--sp-3);
    border-radius: var(--radius-sm);
    color: rgba(255,255,255,.82);
    text-decoration: none;
    font-family: inherit; font-size: var(--f-md); font-weight: 500;
    background: none; border: none;
    text-align: left; width: 100%;
    cursor: pointer;
    transition: background-color .14s, color .14s, transform .12s;
    -webkit-tap-highlight-color: transparent;
  }
  .mpro-drawer a:hover,
  .mpro-drawer button.mpro-drawer-item:hover {
    background: rgba(255,255,255,.06); color: #fff;
  }
  .mpro-drawer a:active,
  .mpro-drawer button.mpro-drawer-item:active {
    transform: scale(.98); background: rgba(255,255,255,.10);
  }
  .mpro-drawer a.mpro-active,
  .mpro-drawer button.mpro-active {
    background: rgba(217,119,6,.14); color: #f59e0b;
  }
  .mpro-drawer-sep {
    height: 1px; background: rgba(255,255,255,.08);
    margin: var(--sp-2) 6px;
  }

  /* ---------- 0.5) BOTTOM TAB BAR ---------- */
  .mpro-tabbar {
    position: fixed;
    left: 0; right: 0; bottom: 0;
    height: calc(var(--mpro-tab-h) + env(safe-area-inset-bottom));
    padding-bottom: env(safe-area-inset-bottom);
    background: rgba(19,19,22,.94);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-top: 1px solid rgba(255,255,255,.07);
    z-index: 1700; display: none;
    box-shadow: 0 -4px 18px rgba(0,0,0,.22);
  }
  body.mpro-has-tab .mpro-tabbar { display: flex; }

  .mpro-tabbar-inner {
    display: flex; align-items: stretch; justify-content: space-around;
    width: 100%; height: var(--mpro-tab-h);
  }
  .mpro-tab {
    flex: 1 1 0;
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    gap: 3px;
    color: rgba(255,255,255,.55);
    text-decoration: none;
    font-family: inherit; font-size: var(--f-xs); font-weight: 500;
    letter-spacing: .01em;
    padding: 6px 4px;
    border: none; background: none; cursor: pointer;
    transition: color .15s, transform .12s;
    -webkit-tap-highlight-color: transparent;
    position: relative;
  }
  .mpro-tab svg {
    width: clamp(18px, 5vw, 22px);
    height: clamp(18px, 5vw, 22px);
    stroke: currentColor; fill: none; stroke-width: 1.9;
  }
  .mpro-tab:active { transform: scale(.94); }
  .mpro-tab.mpro-active { color: #f59e0b; }
  .mpro-tab.mpro-active::before {
    content: ""; position: absolute; top: 4px;
    width: 22px; height: 2px;
    background: #f59e0b; border-radius: 2px;
    box-shadow: 0 0 12px rgba(245,158,11,.6);
  }

  /* ---------- 0.6) MODAL → BOTTOM SHEET ---------- */
  .modal {
    align-items: flex-end !important;
    justify-content: center !important;
    padding: 0 !important;
  }
  .modal-card {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0 !important;
    padding: var(--sp-5) var(--sp-4) calc(var(--sp-4) + env(safe-area-inset-bottom)) !important;
    max-height: 88dvh !important;
    overflow-y: auto !important;
    transform: translateY(100%);
    transition: transform .3s cubic-bezier(.22,.9,.28,1);
    will-change: transform;
  }
  body.mpro-sheet-open .modal-card { transform: translateY(0); }

  .mpro-sheet-handle {
    width: 40px; height: 4px;
    background: rgba(0,0,0,.14);
    border-radius: 4px;
    margin: 0 auto var(--sp-3);
    display: block;
  }
  [data-theme="dark"] .mpro-sheet-handle,
  html.dark .mpro-sheet-handle { background: rgba(255,255,255,.20); }

  /* ---------- 0.7) TABLOLAR → KART ---------- */
  .table-wrap {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    margin: 0 -2px;
  }
  .table-wrap table { min-width: 520px; }

  table[data-mpro-card] {
    min-width: 0 !important;
    width: 100% !important;
    border-collapse: separate !important;
    border-spacing: 0 !important;
  }
  table[data-mpro-card] thead { display: none !important; }
  table[data-mpro-card] tr {
    display: block !important;
    background: var(--surface, #fff);
    border: 1px solid var(--border, #e4e4e7);
    border-radius: var(--radius-md);
    padding: var(--sp-3) var(--sp-4);
    margin-bottom: var(--sp-3);
    box-shadow: 0 1px 3px rgba(0,0,0,.04);
  }
  table[data-mpro-card] td {
    display: flex !important;
    align-items: flex-start; justify-content: space-between;
    gap: var(--sp-3);
    padding: var(--sp-1) 0 !important;
    border: none !important;
    font-size: var(--f-sm) !important;
    text-align: right !important;
  }
  table[data-mpro-card] td::before {
    content: attr(data-label);
    font-size: var(--f-xs) !important;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: var(--muted, #71717a);
    text-align: left; flex: 0 0 auto;
    max-width: 45%; line-height: 1.5;
  }
  table[data-mpro-card] td:first-child {
    font-weight: 600;
    font-size: var(--f-md) !important;
    color: var(--ink, #18181b);
    padding-bottom: var(--sp-2) !important;
    border-bottom: 1px solid var(--border, #e4e4e7) !important;
    margin-bottom: var(--sp-2);
  }
  table[data-mpro-card] td:first-child::before { display: none; }

  /* ---------- 0.8) FORM ROW TEK SÜTUN ---------- */
  .form-row,
  .not-filter-form .form-row,
  .admin-form .form-row {
    grid-template-columns: 1fr !important;
    gap: var(--sp-3) !important;
  }
  .form-row label.full { grid-column: auto !important; }
  .filter-button { display: block !important; width: 100% !important; }
  .filter-button button,
  .filter-button .btn-primary,
  .filter-button .btn-ghost {
    width: 100% !important; max-width: 100% !important;
  }

  /* ---------- 0.9) GRID'LER TEK SÜTUN ---------- */
  .odev-grid, .ders-grid, .stat-grid, .admin-grid-2 {
    grid-template-columns: 1fr !important;
  }
  .admin-stats-row { flex-wrap: wrap !important; gap: var(--sp-2) !important; }
  .as-item {
    flex: 1 1 calc(50% - var(--sp-2)) !important;
    min-width: 0 !important;
  }

  /* ---------- 0.10) ADMIN SEKMELERİ ---------- */
  .admin-tabs {
    overflow-x: auto !important;
    -webkit-overflow-scrolling: touch !important;
    scroll-snap-type: x mandatory;
    padding-bottom: 6px !important;
    gap: var(--sp-2) !important;
    scrollbar-width: none;
  }
  .admin-tabs::-webkit-scrollbar { display: none; }
  .admin-tab {
    scroll-snap-align: start;
    flex: 0 0 auto !important;
    padding: var(--sp-2) var(--sp-3) !important;
    font-size: var(--f-sm) !important;
    white-space: nowrap !important;
  }
  .admin-tab.is-active {
    background: var(--copper, #b45309) !important;
    color: #fff !important;
  }

  /* ---------- 0.11) BİLDİRİM / ÖDEV KARTLARI ---------- */
  .bl-kart, .bm-kart {
    grid-template-columns: 1fr !important;
    gap: var(--sp-3) !important;
    padding: var(--sp-4) !important;
  }
  .bl-aksiyonlar {
    flex-direction: row !important; flex-wrap: wrap !important;
    min-width: 0 !important; gap: var(--sp-2) !important;
  }
  .bl-aksiyonlar form { flex: 1 1 calc(50% - 4px) !important; }
  .bl-btn { width: 100% !important; }
  .bl-tabs { gap: var(--sp-1) !important; }
  .bl-tab { padding: var(--sp-2) var(--sp-3) !important; font-size: var(--f-sm) !important; }

  /* ---------- 0.12) ŞİFRE / LEGAL / MAIL ---------- */
  .pwd-page { padding: 0 var(--sp-4) !important; margin: var(--sp-6) auto var(--sp-7) !important; }
  .pwd-card { padding: var(--sp-5) var(--sp-4) !important; }
  .legal-page { padding: var(--sp-5) var(--sp-4) var(--sp-7) !important; }
  .mail-page { padding: 0 !important; }
  .mail-hero { padding: var(--sp-5) var(--sp-4) !important; }
  .mail-card { padding: var(--sp-5) var(--sp-4) !important; }

  /* ---------- 0.13) WHATSAPP / FAB ---------- */
  body.mpro-has-tab .whatsapp-float,
  body.mpro-has-tab .fb-fab {
    bottom: calc(var(--mpro-tab-h) + env(safe-area-inset-bottom) + var(--sp-4)) !important;
  }

  /* ---------- 0.14) LOADING STATE ---------- */
  button.mpro-loading,
  .btn-primary.mpro-loading {
    position: relative !important;
    color: transparent !important;
    pointer-events: none !important;
  }
  button.mpro-loading::after,
  .btn-primary.mpro-loading::after {
    content: "";
    position: absolute;
    top: 50%; left: 50%;
    width: 18px; height: 18px;
    margin: -9px 0 0 -9px;
    border: 2px solid rgba(255,255,255,.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: mpro-spin .7s linear infinite;
  }
  @keyframes mpro-spin { to { transform: rotate(360deg); } }

  /* ---------- 0.15) BAŞLIKLAR / HERO ---------- */
  .page-head { padding: var(--sp-5) var(--sp-4) var(--sp-4) !important; }
  .panel-hero {
    padding: var(--sp-5) var(--sp-4) !important;
    border-radius: var(--radius-md) !important;
  }
  .panel-hero-greet { font-size: var(--f-xl) !important; }
  .panel-hero-sub { font-size: var(--f-sm) !important; }

  .st-hero, .tp-hero {
    padding: var(--sp-5) 0 var(--sp-4) !important;
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: var(--sp-3) !important;
  }
  .st-hero-avatar, .tp-hero-avatar { align-self: flex-end !important; }

  /* ---------- 0.16) SCROLL KİLİT ---------- */
  body.mpro-drawer-open,
  body.mpro-sheet-open { overflow: hidden !important; }

  /* ---------- 0.17) iOS input zoom engeli ---------- */
  input, select, textarea { font-size: 16px !important; }

  /* ---------- 0.18) GENEL TİPOGRAFİ AKIŞKAN ---------- */
  h1 { font-size: var(--f-2xl) !important; line-height: 1.2 !important; }
  h2 { font-size: var(--f-xl) !important; line-height: 1.25 !important; }
  h3 { font-size: var(--f-lg) !important; line-height: 1.3 !important; }
  h4 { font-size: var(--f-md) !important; }
  p, li, td, th, label, span { font-size: var(--f-md) !important; line-height: 1.55 !important; }
  small, .small, .muted.small { font-size: var(--f-sm) !important; }
}

/* Çok küçük ekran: 340px altı */
@media (max-width: 340px) {
  :root {
    --f-xs: 0.62rem;
    --f-sm: 0.72rem;
    --f-md: 0.82rem;
  }
  .mpro-tabbar { --mpro-tab-h: 54px; }
}