:root {
  --green: #1B9E54;
  --green-dark: #15833F;
  --blue: #27A9E1;
  --bg: #EEF1F4;
  --card: #FFFFFF;
  --text: #1F2A37;
  --muted: #6B7280;
  --border: #E2E8F0;
  --error: #DC2626;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 0 0 40px;
}

/* ---- Üst bar ---- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  background: #fff;
  padding: 18px 28px;
  border-bottom: 3px solid var(--green);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: flex; }
.brand-logo { height: 40px; width: auto; display: block; }
.brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.brand-name {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--green);
  letter-spacing: -0.5px;
}
.brand-sub { font-size: 0.82rem; color: var(--muted); }

.refresh-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}
.refresh-btn:hover { background: var(--green-dark); }
.refresh-btn:active { transform: scale(0.97); }
.refresh-btn:disabled { opacity: 0.55; cursor: not-allowed; }
.refresh-ico { font-size: 1.1rem; }

/* Üst bar aksiyonları */
.topbar-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.user-chip {
  font-size: 0.85rem;
  color: var(--text);
  background: var(--bg);
  padding: 6px 12px;
  border-radius: 20px;
  font-weight: 600;
}
.ghost-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #fff;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}
.ghost-btn:hover { background: var(--bg); border-color: var(--green); color: var(--green); }

/* ---- Giriş sayfası ---- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(160deg, #1B9E54 0%, #0f6b39 100%);
  padding: 24px;
}
.login-card {
  background: #fff;
  width: 100%;
  max-width: 380px;
  border-radius: 16px;
  padding: 38px 34px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
  text-align: center;
}
.login-logo { height: 46px; width: auto; margin-bottom: 18px; }
.login-mark { display: inline-flex; margin-bottom: 16px; }
.login-title { font-size: 1.4rem; font-weight: 800; color: var(--text); }
.login-sub { color: var(--muted); font-size: 0.9rem; margin: 6px 0 24px; }
.login-form { display: flex; flex-direction: column; gap: 16px; text-align: left; }
.login-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}
.login-form input {
  padding: 11px 13px;
  border: 1px solid var(--border);
  border-radius: 9px;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.login-form input:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(27, 158, 84, 0.15);
}
.login-btn {
  margin-top: 4px;
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 9px;
  padding: 12px;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
}
.login-btn:hover { background: var(--green-dark); }
.login-btn:disabled { opacity: 0.6; cursor: not-allowed; }
.login-error { color: var(--error); font-size: 0.88rem; min-height: 18px; text-align: center; }
.login-ok { color: var(--green-dark); font-size: 0.88rem; min-height: 18px; text-align: center; font-weight: 600; }
.login-link {
  display: block;
  text-align: center;
  margin-top: 4px;
  color: var(--green-dark);
  font-size: 0.85rem;
  text-decoration: none;
  font-weight: 600;
}
.login-link:hover { text-decoration: underline; }

/* ---- Admin paneli ---- */
.admin-main { max-width: 1200px; margin: 28px auto 0; padding: 0 24px; }
.stat-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 18px;
  margin-bottom: 26px;
}
.stat-box {
  background: #fff;
  border: 1px solid var(--border);
  border-left: 4px solid var(--green);
  border-radius: 12px;
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: 0 4px 14px rgba(15, 42, 55, 0.05);
}
.stat-num { font-size: 2rem; font-weight: 800; color: var(--green); }
.stat-label { color: var(--muted); font-size: 0.88rem; }

.table-wrap {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 8px 0 0;
  box-shadow: 0 6px 18px rgba(15, 42, 55, 0.06);
  overflow: hidden;
}
.table-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 20px;
}
.table-head h2, .table-head h3 { font-size: 1.05rem; color: var(--text); }
.search-input {
  padding: 9px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  min-width: 240px;
  outline: none;
}
.search-input:focus { border-color: var(--green); }

.visits-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.visits-table thead th {
  background: var(--bg);
  color: var(--muted);
  text-align: left;
  padding: 12px 16px;
  font-weight: 600;
  white-space: nowrap;
}
.visits-table tbody td {
  padding: 11px 16px;
  border-top: 1px solid var(--border);
  color: var(--text);
}
.visits-table tbody tr:hover { background: #f9fbfc; }
.visits-table .empty { text-align: center; color: var(--muted); padding: 26px; }

@media (max-width: 760px) {
  .table-wrap { overflow-x: auto; }
  .visits-table { min-width: 720px; }
}

/* ---- "Geliştiren ttr" telif rozeti (sağ alt) ---- */
.made-by {
  position: fixed;
  right: 16px;
  bottom: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 22px;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.12);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  text-decoration: none;
  backdrop-filter: blur(4px);
  z-index: 50;
}
.made-by img { height: 18px; width: auto; display: block; }

/* ---- Admin: bölümler ---- */
.panel-section {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px 24px 26px;
  margin-bottom: 24px;
  box-shadow: 0 6px 18px rgba(15, 42, 55, 0.06);
}
.section-title { font-size: 1.15rem; color: var(--text); margin-bottom: 4px; }
.section-desc { color: var(--muted); font-size: 0.88rem; margin-bottom: 18px; }

/* Hesap oluşturma formu */
.user-form {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 8px;
}
.user-form input,
.user-form select {
  padding: 10px 13px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.92rem;
  outline: none;
}
.user-form input { flex: 1; min-width: 160px; }
.user-form input:focus,
.user-form select:focus { border-color: var(--green); }
.primary-btn {
  background: var(--green);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 10px 20px;
  font-weight: 700;
  font-size: 0.92rem;
  cursor: pointer;
  transition: background 0.15s;
}
.primary-btn:hover { background: var(--green-dark); }

.form-msg { min-height: 18px; font-size: 0.85rem; margin: 8px 0 14px; }
.form-msg.ok { color: var(--green-dark); font-weight: 600; }
.form-msg.error { color: var(--error); font-weight: 600; }

/* Ortak veri tablosu (kullanıcılar + ziyaretler) */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.data-table thead th {
  background: var(--bg);
  color: var(--muted);
  text-align: left;
  padding: 11px 14px;
  font-weight: 600;
  white-space: nowrap;
}
.data-table tbody td { padding: 11px 14px; border-top: 1px solid var(--border); color: var(--text); }
.data-table tbody tr:hover { background: #f9fbfc; }
.data-table .empty { text-align: center; color: var(--muted); padding: 24px; }

.role-badge { padding: 3px 10px; border-radius: 14px; font-size: 0.76rem; font-weight: 700; }
.role-admin { background: rgba(39, 169, 225, 0.14); color: #1577a3; }
.role-user { background: rgba(27, 158, 84, 0.12); color: var(--green-dark); }

.del-btn {
  background: #fff;
  color: var(--error);
  border: 1px solid #f3c9c9;
  border-radius: 7px;
  padding: 5px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
}
.del-btn:hover { background: #fdeaea; }
.muted-text { color: var(--muted); font-size: 0.82rem; }

/* Şifre göster/gizle */
.pw-wrap { position: relative; display: flex; flex: 1; min-width: 160px; }
.pw-wrap input { flex: 1; padding-right: 42px; width: 100%; }
.pw-toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.05rem;
  padding: 4px 8px;
  line-height: 1;
}

/* Satır içi şifre değiştirme + satır aksiyonları */
.row-actions { text-align: right; white-space: nowrap; }
.pw-btn {
  background: #fff;
  color: var(--blue);
  border: 1px solid #bfe3f5;
  border-radius: 7px;
  padding: 5px 12px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  margin-right: 6px;
}
.pw-btn:hover { background: #eaf6fc; }
.pw-inline { display: flex; gap: 6px; align-items: center; justify-content: flex-end; }
.pw-inline .pw-new {
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 0.85rem;
  min-width: 150px;
}
.primary-btn.small, .ghost-btn.small { padding: 6px 12px; font-size: 0.82rem; }

/* ---- "Şifremi Değiştir" modalı ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 42, 55, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-overlay.open { display: flex; }
.modal {
  background: #fff;
  border-radius: 14px;
  padding: 26px 26px 22px;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
}
.modal h3 { font-size: 1.15rem; margin-bottom: 16px; color: var(--text); }
.modal-form { display: flex; flex-direction: column; gap: 12px; }
.modal-form label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text);
}
.modal-form input {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.92rem;
  outline: none;
}
.modal-form input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(27, 158, 84, 0.15); }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 6px; }

/* ---- Kartlar ---- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 22px;
  max-width: 1120px;
  margin: 34px auto 0;
  padding: 0 24px;
}

.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 26px 24px 28px;
  box-shadow: 0 6px 18px rgba(15, 42, 55, 0.06);
  overflow: hidden;
  transition: transform 0.15s, box-shadow 0.15s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 26px rgba(15, 42, 55, 0.1); }

/* Üst renkli şerit */
.card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: var(--green);
}
.card-power::before { background: var(--blue); }

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: rgba(27, 158, 84, 0.1);
  color: var(--green);
}
.card-power .card-icon { background: rgba(39, 169, 225, 0.12); color: var(--blue); }

.card-unit {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--muted);
  background: var(--bg);
  padding: 4px 10px;
  border-radius: 20px;
}

.card-title {
  color: var(--muted);
  font-size: 0.98rem;
  font-weight: 500;
  margin-bottom: 8px;
}

.card-value {
  font-size: 2.7rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.05;
}

/* ---- Durum / hata ---- */
.status {
  max-width: 1120px;
  margin: 18px auto 0;
  padding: 0 24px;
  min-height: 22px;
  font-size: 0.9rem;
  color: var(--muted);
}
.status.error { color: var(--error); font-weight: 600; }

/* ---- Alt bilgi ---- */
.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 18px;
  justify-content: space-between;
  max-width: 1120px;
  margin: 26px auto 0;
  padding: 16px 24px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
}
.footer strong { color: var(--text); }
.footer-note { color: var(--muted); }

/* ---- Yükleniyor ---- */
.loading .card-value {
  color: var(--muted);
  opacity: 0.5;
  animation: pulse 1.2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.65; }
}

@media (max-width: 600px) {
  .topbar { padding: 14px 18px; }
  .card-value { font-size: 2.2rem; }
  .brand-name { font-size: 1.35rem; }
}