/* === GLOBAL === */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: #f3f4f6;
  color: #111827;
}

/* === APP LAYOUT === */

.app {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  padding: 32px 16px;
}

.app-inner {
  width: 100%;
  max-width: 1200px;
}

/* === TOP BAR === */

.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.title-block {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-circle {
  width: 40px;
  height: 40px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #eff6ff;
  font-size: 20px;
}

h1 {
  font-size: 22px;
  margin: 0;
}

.subtitle {
  margin: 2px 0 0;
  font-size: 13px;
  color: #6b7280;
}

.status-pill {
  padding: 6px 12px;
  border-radius: 999px;
  background: #ecfdf3;
  color: #166534;
  font-size: 13px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid #bbf7d0;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #22c55e;
}

/* === SEARCH BAR === */

.search-row {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
}

.search-row input {
  flex: 1;
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid #d1d5db;
  font-size: 14px;
  outline: none;
  background: #ffffff;
}

.search-row input:focus {
  border-color: #3b82f6;
  box-shadow: 0 0 0 1px rgba(59, 130, 246, 0.3);
}

.search-row button {
  padding: 10px 16px;
  border-radius: 999px;
  border: none;
  background: #2563eb;
  color: #ffffff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.search-row button:hover {
  background: #1d4ed8;
}

/* === CONTENT GRID === */

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 320px) minmax(0, 1fr);
  gap: 20px;
}

/* === HOW TO USE CARD === */

.howto-card {
  background: #ffffff;
  border-radius: 18px;
  padding: 16px 18px;
  border: 1px solid #e5e7eb;
  box-shadow: 0 14px 32px rgba(15, 23, 42, 0.08);
  align-self: flex-start;
}

.howto-card h2 {
  margin: 0 0 10px;
  font-size: 16px;
}

.howto-card ul {
  margin: 0;
  padding-left: 18px;
  font-size: 13px;
  color: #4b5563;
  line-height: 1.6;
}

/* === MAIL LIST & CARD === */

.mail-list {
  margin-top: 0;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

/* Mail card – gölge + yuvarlak köşe */
.mail-card {
  background: #ffffff;
  border-radius: 20px;
  padding: 18px 22px 18px;
  max-width: 900px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.1);
  border: 1px solid #e5e7eb;
  transition: transform 0.12s ease, box-shadow 0.12s ease,
    border-color 0.12s ease;
}

.mail-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 22px 55px rgba(15, 23, 42, 0.16);
  border-color: #d1d5db;
}

/* Üst satır: subject + from solda, tarih sağda */
.mail-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
}

.mail-header-left {
  min-width: 0;
}

/* Subject */
.subject {
  font-size: 16px;
  font-weight: 600;
  color: #111827;
  margin-bottom: 4px;
}

/* From */
.from {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #6b7280;
}

.from-icon {
  font-size: 14px;
}

/* Date sağ üstte */
.date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: #6b7280;
  white-space: nowrap;
  text-align: right;
}

.date-icon {
  font-size: 14px;
}

/* Gövde – satır boşlukları korunur */
.mail-body {
  margin-top: 14px;
  padding-top: 10px;
  border-top: 1px solid #e5e7eb;
  font-size: 15px;
  color: #111827;
  line-height: 1.7;
  white-space: pre-wrap;
}

/* Resim galerisi */
.mail-images {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.mail-image {
  max-width: 320px;
  max-height: 180px;
  border-radius: 10px;
  border: 1px solid #e5e7eb;
  object-fit: cover;
  cursor: zoom-in;
}

/* No result / error */
.no-result {
  font-size: 14px;
  color: #6b7280;
}

.error {
  font-size: 14px;
  color: #b91c1c;
}

/* === RESPONSIVE === */

@media (max-width: 900px) {
  .content-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .howto-card {
    order: 2;
  }
}