/* --- Theme: Light, logo-friendly --- */
:root {
  --bg: #f5f5f7;
  --surface: #ffffff;
  --border: #e0e0e5;
  --text: #1a1a1e;
  --muted: #6b6b76;
  --accent: #2563eb;
  --accent-dim: #1d4ed8;
  --glow: rgba(37, 99, 235, 0.2);
  --error: #dc2626;
  --radius: 12px;
  --font: 'Syne', sans-serif;
}

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

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 1rem;
  padding-left: max(1rem, env(safe-area-inset-left));
  padding-right: max(1rem, env(safe-area-inset-right));
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
  position: relative;
  overflow-x: hidden;
}

/* Subtle noise overlay */
.noise {
  position: fixed;
  inset: 0;
  opacity: 0.02;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.card {
  position: relative;
  width: 100%;
  max-width: 1200px;
  min-height: 100vh;
  background: var(--surface);
  border: none;
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  border-radius: 0;
  padding: 1.25rem 1rem;
  box-shadow: none;
}

.card-glow {
  display: none;
}

.header {
  text-align: center;
  margin-bottom: 2rem;
}

.logo-img {
  display: block;
  max-height: 52px;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
  object-fit: contain;
}

.tagline {
  margin: 0.75rem 0 0;
  font-size: 0.9rem;
  color: var(--muted);
  font-weight: 400;
}

.view {
  margin-bottom: 0.5rem;
}

.auth-tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.25rem;
}

.auth-tab {
  flex: 1;
  padding: 0.6rem 1rem;
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.auth-tab:hover {
  color: var(--text);
}

.auth-tab.active {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(0, 212, 170, 0.08);
}

#auth-form .input-wrap,
#auth-form input[type="email"],
#auth-form input[type="password"] {
  width: 100%;
}

#auth-form input[type="email"],
#auth-form input[type="password"] {
  padding: 1rem 1.25rem;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

#auth-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
}

#auth-form input::placeholder {
  color: var(--muted);
}

.user-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

.user-email {
  font-size: 0.85rem;
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-right: auto;
  min-width: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-link-super-only {
  display: none !important;
}

body.show-super-admin-nav .nav-link-super-only {
  display: inline-flex !important;
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--muted);
  text-decoration: none;
  padding: 0.5rem 0.75rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover {
  color: var(--accent);
}

.nav-link.active {
  color: var(--accent);
  background: rgba(37, 99, 235, 0.1);
}

.page {
  margin-top: 0.5rem;
}

.page-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0 0 1rem 0;
}

.back-link {
  display: inline-block;
  font-size: 0.9rem;
  color: var(--accent);
  text-decoration: none;
  margin-bottom: 1rem;
}

.back-link:hover {
  text-decoration: underline;
}

.btn-link {
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0.75rem;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}

.btn-link:hover {
  text-decoration: underline;
}

.create-admin-section {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.create-admin-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--muted);
  margin: 0 0 0.75rem 0;
}

.create-admin-form input {
  padding: 1rem 1.25rem;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  margin-bottom: 0;
}

.create-admin-form .btn-secondary {
  background: var(--border);
  color: var(--text);
}

.create-admin-form .btn-secondary:hover:not(:disabled) {
  background: var(--muted);
  box-shadow: none;
}

.role-hint {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0 0 0.75rem 0;
}

.users-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.user-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
}

.user-row-email {
  font-size: 0.9rem;
  min-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-row-role {
  font-size: 0.8rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  background: var(--border);
  min-width: 70px;
  text-align: center;
}

.user-role-super_admin {
  background: rgba(37, 99, 235, 0.15);
  color: var(--accent);
}

.user-row select {
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
}

.btn-small {
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}

.logs-list {
  margin-top: 0.5rem;
}

.logs-table {
  display: flex;
  flex-direction: column;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.log-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto minmax(0, 1.5fr);
  gap: 0.5rem 0.75rem;
  align-items: center;
  padding: 0.75rem;
  font-size: 0.85rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}

.log-row:last-child {
  border-bottom: none;
}

.log-date {
  color: var(--muted);
  white-space: nowrap;
}

.log-type {
  font-weight: 600;
  color: var(--accent);
  white-space: nowrap;
}

.log-actor {
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
}

.log-detail {
  color: var(--muted);
  overflow: hidden;
  text-overflow: ellipsis;
}

@media (max-width: 520px) {
  .log-row {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    padding: 0.6rem;
  }
  .log-date { grid-column: 1; }
  .log-type { grid-column: 2; }
  .log-actor { grid-column: 1; }
  .log-detail { grid-column: 1 / -1; word-break: break-word; }
}

.change-password-section {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.change-password-form input {
  padding: 1rem 1.25rem;
  font: inherit;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  outline: none;
  margin-bottom: 0;
}

.change-password-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
}

.change-password-form input::placeholder {
  color: var(--muted);
}

.form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--glow);
}

.currency-symbol {
  padding-left: 1.25rem;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--muted);
}

.input-wrap input {
  flex: 1;
  width: 100%;
  padding: 1.1rem 1.25rem 1.1rem 0.5rem;
  font: inherit;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
  background: transparent;
  border: none;
  outline: none;
}

.input-wrap input::placeholder {
  color: var(--muted);
}

.input-wrap input::-webkit-outer-spin-button,
.input-wrap input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.input-wrap input[type="number"] {
  -moz-appearance: textfield;
}

.currency-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.currency-row label {
  font-size: 0.9rem;
  color: var(--muted);
}

.currency-row select {
  padding: 0.6rem 1rem;
  font: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  outline: none;
}

.currency-row select:focus {
  border-color: var(--accent);
}

.btn {
  position: relative;
  width: 100%;
  padding: 1rem 1.5rem;
  font: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s;
  margin-top: 0.25rem;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 24px var(--glow);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.8;
}

.btn-text {
  display: inline-block;
}

.btn.loading .btn-text {
  visibility: hidden;
}

.btn-loader {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
}

.btn.loading .btn-loader {
  display: flex;
}

.btn-loader::after {
  content: '';
  width: 22px;
  height: 22px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.message {
  min-height: 1.5rem;
  margin-top: 0.75rem;
  font-size: 0.9rem;
  text-align: center;
  border-radius: 8px;
  padding: 0.5rem;
}

.message.error {
  color: var(--error);
}

.message.success {
  color: var(--accent);
}

.message a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.message a:hover {
  text-decoration: underline;
}

.footer {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

/* Payment link popup */
.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 1000;
}

.popup-overlay[hidden] {
  display: none !important;
}

.popup-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow: auto;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.5);
}

.popup-title {
  margin: 0 0 0.5rem 0;
  font-size: 1.1rem;
  font-weight: 600;
}

.popup-hint {
  margin: 0 0 1rem 0;
  font-size: 0.9rem;
  color: var(--muted);
}

.popup-url-wrap {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.popup-url-input {
  flex: 1;
  padding: 0.6rem 0.75rem;
  font: inherit;
  font-size: 0.85rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
}

.popup-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.log-detail .log-link {
  color: var(--accent);
  text-decoration: none;
  word-break: break-all;
}

.log-detail .log-link:hover {
  text-decoration: underline;
}

/* Mobile & tablet responsive */
@media (max-width: 768px) {
  body {
    padding: 0.75rem;
  }

  .card {
    padding: 1rem 0.75rem;
  }

  .header {
    margin-bottom: 1.5rem;
  }

  .logo {
    font-size: 1.75rem;
  }

  .user-bar {
    gap: 0.5rem;
  }

  .nav-link {
    font-size: 0.85rem;
    padding: 0.4rem 0.6rem;
  }

  .form {
    gap: 1rem;
  }

  .input-wrap input {
    font-size: 1.25rem;
    padding: 1rem 1rem 1rem 0.5rem;
  }

  .currency-symbol {
    font-size: 1.25rem;
    padding-left: 1rem;
  }

  .btn {
    padding: 0.9rem 1.25rem;
    min-height: 48px;
  }

  .popup-overlay {
    padding: 0.75rem;
    align-items: flex-end;
  }

  .popup-card {
    max-height: 85vh;
    padding: 1.25rem;
    border-radius: var(--radius) var(--radius) 0 0;
  }

  .popup-url-wrap {
    flex-direction: column;
  }

  .popup-url-input {
    width: 100%;
    font-size: 0.8rem;
  }

  .popup-actions {
    flex-direction: column;
  }

  .popup-actions .btn,
  .popup-actions a.btn {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  body {
    padding: 0.5rem;
  }

  .card {
    padding: 0.75rem 0.5rem;
  }

  .user-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .user-row-email {
    min-width: 0;
  }

  .user-row select,
  .btn-small {
    width: 100%;
  }
}