/* ======= Model 3: Image → Video ======= */

/* Ana layout */
.m3-top {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 36px;
  /* eskisi 18px */
  align-items: start;
  margin-top: 40px;
  margin-bottom: 60px;
}

/* Kartlar */
.m3-card {
  background: var(--rv-card);
  border: 1px solid var(--rv-border);
  border-radius: var(--rv-radius);
  box-shadow: var(--rv-shadow);
  padding: 24px;
  /* eskisi 14px */
}

/* Preview alanı */
.m3-preview-box {
  width: 100%;
  aspect-ratio: 1/1;
  min-height: 520px;
  border: 1px solid var(--rv-border);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(255, 255, 255, .06), rgba(255, 255, 255, .02));
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}

.m3-preview-placeholder {
  color: var(--rv-muted);
  text-align: center;
  display: grid;
  gap: 14px;
  place-items: center;
}

.m3-preview-placeholder .m3-drop {
  border: 1px dashed var(--rv-border);
  border-radius: 12px;
  padding: 20px 22px;
  width: min(460px, 92%);
  background: rgba(255, 255, 255, .03);
}

.m3-preview-media {
  position: absolute;
  inset: 0;
  display: none;
}

.m3-preview-video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

/* ADDED: Loader */
.m3-loader {
  /* overlay */
  display: none;
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 12px;
  background: rgba(0, 0, 0, .6);
  color: var(--rv-text);
  font-size: 1rem;
  font-weight: 600;
  z-index: 10;
}

.m3-loader .spinner {
  /* ring */
  width: 48px;
  height: 48px;
  border: 4px solid rgba(255, 255, 255, .3);
  border-top: 4px solid var(--rv-primary);
  border-radius: 50%;
  animation: m3spin 1s linear infinite;
}

@keyframes m3spin {
  to {
    transform: rotate(360deg);
  }
}

.m3-hint-small {
  color: var(--rv-muted);
  font-size: .9rem;
  margin-top: 10px;
}

/* Form alanları */
.m3-field {
  margin: 16px 0 20px;
}

/* eskisi 8–12px */

.m3-label {
  font-weight: 700;
  font-size: 1rem;
  margin: 0 0 8px;
  display: block;
}

.m3-input,
.m3-select,
.m3-textarea {
  width: 100%;
  border: 1px solid var(--rv-border);
  border-radius: 12px;
  background: var(--rv-bg-soft);
  color: var(--rv-text);
  padding: 12px 14px;
  outline: none;
}

.m3-textarea {
  min-height: 120px;
  resize: vertical;
}

/* Advanced ayarları */
.m3-details {
  border: 1px solid var(--rv-border);
  border-radius: 12px;
  background: var(--rv-bg-soft);
  padding: 18px;
  /* eskisi 10px */
  margin-top: 20px;
}

.m3-details summary {
  cursor: pointer;
  font-weight: 700;
}

.m3-details .m3-grid {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 720px) {
  .m3-details .m3-grid {
    grid-template-columns: 1fr;
  }
}

/* Pair section */
.m3-pair-wrap {
  margin: 40px 0 20px;
}

.m3-pair-wrap.m3-hidden {
  display: none;
}

.m3-pair-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  /* eskisi 16px */
  width: 94%;
  margin: 0 auto;
}

.m3-pcard {
  background: var(--rv-card);
  border: 1px solid var(--rv-border);
  border-radius: 12px;
  box-shadow: var(--rv-shadow);
  padding: 20px;
  /* eskisi 10px */
  display: flex;
  flex-direction: column;
  gap: 12px;
  /* eskisi 8px */
}

.m3-pthumb {
  width: 100%;
  aspect-ratio: 1/1;
  border: 1px solid var(--rv-border);
  border-radius: 10px;
  overflow: hidden;
  background: #000;
  display: grid;
  place-items: center;
}

.m3-pthumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.m3-pthumb video {
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.m3-ptitle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
}

.m3-pair-actions {
  display: grid;
  place-items: center;
  margin: 20px auto 0;
  width: 94%;
}

/* History */
.m3-history {
  display: grid;
  gap: 28px;
  /* eskisi 16px */
  margin-top: 40px;
  margin-bottom: 60px;
}

/* ADDED: History boşken gizle */
.m3-history:empty {
  display: none;
}

/* ADDED: Başlığı gizle (bir önceki h2) */
.rv-sec-title:has(+ .m3-history:empty) {
  display: none;
}

.m3-loadmore {
  display: grid;
  place-items: center;
  margin: 20px 0;
}

/* Helper */
.m3-hidden {
  display: none;
}

/* Responsive */
@media (max-width: 1024px) {
  .m3-top {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .m3-preview-box {
    min-height: 420px;
  }

  .m3-pair-grid {
    grid-template-columns: 1fr;
  }
}

/* ===== How-to: media solda, text sağda (eşit yükseklik) ===== */
/* ADDED: yatay düzen + eşit yükseklik + padding */
.rv-howto.rv-howto--row {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  align-items: stretch;
  /* equal height */
  gap: 24px;
  width: 100%;
  box-sizing: border-box;
  padding: 200px 0;
  /* SENİN TERCİHİN */
}

/* ADDED: sol/sağ genişlikler */
.rv-howto--row .rv-howto__media {
  flex: 0 0 35%;
  max-width: 35%;
}

.rv-howto--row .rv-howto__text {
  flex: 1 1 60%;
  max-width: 50%;
  margin-top: 0;
}

/* SENİN TERCİHİN */

/* ADDED: kare zorunluluğu yok, büyük görünüm */
.rv-video-box {
  width: 140%;
  /* SENİN TERCİHİN */
  height: 450px;
  /* SENİN TERCİHİN */
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--rv-border);
  border-radius: var(--rv-radius);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ADDED: mobilde alt alta */
@media (max-width: 768px) {
  .rv-howto.rv-howto--row {
    flex-direction: column;
    padding: 60px 0;
    /* mobil için daha dar */
  }

  .rv-howto--row .rv-howto__media,
  .rv-howto--row .rv-howto__text {
    max-width: 100%;
    flex: 1 1 100%;
  }

  .rv-video-box {
    width: 100%;
    height: 200px;
  }
}

.m3-page-title {
  margin-top: 100px;
  /* veya 120px, navbar yüksekliğine göre */
  text-align: center;
}