/* ═══════════════════════════════════════════════════════════════
   ÖDEV AKADEMİSİ — TASARIM SİSTEMİ
   Tema: Sınıf Defteri & Kalem Kutusu
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Baloo+2:wght@500;600;700;800&family=Nunito:ital,wght@0,400;0,600;0,700;0,800;1,600&display=swap');

:root {
  /* Kağıt & Mürekkep */
  --kagit: #FBF6EC;
  --kagit-koyu: #F2EBDB;
  --mürekkep: #24312A;
  --mürekkep-soluk: #6B6558;

  /* Kara Tahta (Yüzeyler) */
  --tahta: #2F4F3E;
  --tahta-koyu: #22392C;
  --tahta-acik: #3E6350;

  /* Kalem Kutusu Aksanları */
  --kalem-sari: #F5B942;
  --kalem-sari-koyu: #D89A28;
  --kalem-mercan: #E8604C;
  --kalem-mercan-koyu: #C94A38;
  --kalem-mavi: #4A90A4;
  --kalem-mavi-koyu: #35707F;
  --kalem-mor: #8B6DAE;
  --kalem-yesil: #6FA96D;

  /* Durum Renkleri */
  --basarili: #6FA96D;
  --uyari: #E8604C;
  --bilgi: #4A90A4;
  --beklemede: #D89A28;

  /* Kenarlıklar & Gölgeler */
  --kenar: #E5DFCF;
  --kenar-koyu: #D3CAB4;
  --golge-yumusak: 0 2px 8px rgba(36, 49, 42, 0.08);
  --golge-orta: 0 6px 20px rgba(36, 49, 42, 0.12);
  --golge-kart: 0 1px 3px rgba(36, 49, 42, 0.06), 0 8px 24px rgba(36, 49, 42, 0.08);

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-pill: 999px;

  --yazi-baslik: 'Baloo 2', sans-serif;
  --yazi-govde: 'Nunito', sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--yazi-govde);
  background: var(--kagit);
  color: var(--mürekkep);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .baslik-yazi {
  font-family: var(--yazi-baslik);
  font-weight: 700;
  color: var(--tahta);
  margin: 0;
}

/* ─── Defter Kağıdı Doku (arka plan çizgileri) ────────────────── */
.defter-dokusu {
  background-image: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 31px,
    rgba(74, 144, 164, 0.08) 32px
  );
}

/* ─── İmza Öğesi: Spiral Defter Delikleri ─────────────────────── */
.spiral-delikler {
  position: absolute;
  left: -1px;
  top: 0;
  bottom: 0;
  width: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-evenly;
  align-items: center;
  pointer-events: none;
  z-index: 2;
}
.spiral-delikler span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--kagit);
  box-shadow: inset 0 1px 3px rgba(0,0,0,0.25), 0 0 0 1px var(--kenar-koyu);
}

/* ─── Kartlar ──────────────────────────────────────────────────── */
.kart {
  background: #fff;
  border: 1px solid var(--kenar);
  border-radius: var(--radius-md);
  box-shadow: var(--golge-kart);
  padding: 20px;
  position: relative;
}
.kart-defter {
  padding-left: 34px;
}

/* ─── Butonlar ─────────────────────────────────────────────────── */
.btn {
  font-family: var(--yazi-govde);
  font-weight: 700;
  font-size: 0.9em;
  border: none;
  border-radius: var(--radius-pill);
  padding: 11px 20px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(0.97); }
.btn-birincil {
  background: var(--tahta);
  color: var(--kagit);
  box-shadow: 0 3px 0 var(--tahta-koyu);
}
.btn-birincil:hover { background: var(--tahta-acik); }
.btn-birincil:active { box-shadow: 0 1px 0 var(--tahta-koyu); transform: translateY(2px) scale(0.98); }

.btn-vurgu {
  background: var(--kalem-sari);
  color: var(--tahta-koyu);
  box-shadow: 0 3px 0 var(--kalem-sari-koyu);
}
.btn-vurgu:active { box-shadow: 0 1px 0 var(--kalem-sari-koyu); transform: translateY(2px) scale(0.98); }

.btn-tehlike {
  background: var(--kalem-mercan);
  color: #fff;
  box-shadow: 0 3px 0 var(--kalem-mercan-koyu);
}
.btn-basari {
  background: var(--basarili);
  color: #fff;
  box-shadow: 0 3px 0 #4d7d4b;
}
.btn-hayalet {
  background: var(--kagit-koyu);
  color: var(--mürekkep);
  border: 1px solid var(--kenar-koyu);
}
.btn-hayalet:hover { background: var(--kenar); }
.btn-kucuk { padding: 7px 13px; font-size: 0.8em; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ─── Formlar ──────────────────────────────────────────────────── */
.girdi, select.girdi, textarea.girdi {
  width: 100%;
  font-family: var(--yazi-govde);
  font-size: 0.95em;
  padding: 11px 14px;
  border: 2px solid var(--kenar);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--mürekkep);
  transition: border-color 0.15s ease;
}
.girdi:focus, select.girdi:focus, textarea.girdi:focus {
  outline: none;
  border-color: var(--kalem-mavi);
}
label.etiket {
  display: block;
  font-weight: 700;
  font-size: 0.82em;
  color: var(--mürekkep-soluk);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

/* ─── Rozetler (Stamp Stili) ───────────────────────────────────── */
.rozet {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 11px;
  border-radius: var(--radius-pill);
  font-size: 0.76em;
  font-weight: 800;
}
.rozet-yesil { background: rgba(111,169,109,0.16); color: #3f6a3d; }
.rozet-kirmizi { background: rgba(232,96,76,0.14); color: #b8402e; }
.rozet-sari { background: rgba(245,185,66,0.22); color: #9c6d10; }
.rozet-mavi { background: rgba(74,144,164,0.14); color: #2f6575; }
.rozet-mor { background: rgba(139,109,174,0.14); color: #6b4f8a; }

/* Rubber Stamp - Onay Damgası */
.damga-onay {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border: 3px solid var(--basarili);
  border-radius: 8px;
  color: var(--basarili);
  font-family: var(--yazi-baslik);
  font-weight: 800;
  font-size: 0.85em;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transform: rotate(-4deg);
  opacity: 0.9;
}

/* ─── Modal ────────────────────────────────────────────────────── */
.modal-katman {
  position: fixed;
  inset: 0;
  background: rgba(36, 49, 42, 0.55);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 20px;
  backdrop-filter: blur(2px);
}
.modal-katman.acik { display: flex; }
.modal-kutu {
  background: var(--kagit);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: var(--golge-orta);
  animation: modal-belir 0.2s ease;
}
@keyframes modal-belir {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.modal-baslik {
  padding: 20px 24px;
  border-bottom: 2px dashed var(--kenar-koyu);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 2;
  background: var(--kagit);
}
.modal-govde { padding: 24px; }
.modal-kapat {
  background: #fee2e2;
  border: 0;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1em;
  font-weight: 800;
  cursor: pointer;
  color: #dc2626;
  line-height: 1;
}
.modal-kapat:hover {
  background: #fecaca;
  color: #b91c1c;
}

/* ─── Toast ────────────────────────────────────────────────────── */
#uyari-kutusu {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--tahta);
  color: var(--kagit);
  padding: 13px 22px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.9em;
  opacity: 0;
  transition: all 0.25s ease;
  z-index: 2000;
  box-shadow: var(--golge-orta);
  max-width: 90vw;
  text-align: center;
}
#uyari-kutusu.goster { opacity: 1; transform: translateX(-50%) translateY(0); }
#uyari-kutusu.tip-hata { background: var(--kalem-mercan); }
#uyari-kutusu.tip-basari { background: var(--basarili); }
#uyari-kutusu.tip-bilgi { background: var(--kalem-mavi); }

/* ─── Yardımcı Sınıflar ────────────────────────────────────────── */
.metin-soluk { color: var(--mürekkep-soluk); }
.flex { display: flex; }
.flex-ortala { display: flex; align-items: center; justify-content: center; }
.gap-8 { gap: 8px; }
.gap-12 { gap: 12px; }
.spinner {
  width: 18px; height: 18px;
  border: 3px solid rgba(255,255,255,0.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: donme 0.7s linear infinite;
}
@keyframes donme { to { transform: rotate(360deg); } }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--kagit-koyu); }
::-webkit-scrollbar-thumb { background: var(--kenar-koyu); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: var(--mürekkep-soluk); }