/*
 * Flus Wallet — Main Stylesheet
 * Covers: frontend forms, badges, admin dashboard
 *
 * @package FlusWallet
 */

/* ─── Design Tokens ──────────────────────────────────────────────────────────── */
:root {
  --flus-primary:      #6366f1;   /* Indigo 500 */
  --flus-primary-dark: #4f46e5;
  --flus-donate:       #ec4899;   /* Pink 500  */
  --flus-donate-dark:  #db2777;
  --flus-success:      #22c55e;
  --flus-pending:      #f59e0b;
  --flus-failed:       #ef4444;
  --flus-text:         #1e293b;
  --flus-muted:        #64748b;
  --flus-border:       #e2e8f0;
  --flus-bg:           #f8fafc;
  --flus-card-bg:      #ffffff;
  --flus-radius:       12px;
  --flus-radius-sm:    8px;
  --flus-shadow:       0 4px 24px rgba(0,0,0,.08);
  --flus-shadow-lg:    0 8px 40px rgba(0,0,0,.12);
  --flus-font:         -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --flus-transition:   0.2s ease;
}

/* ─── Wrapper ──────────────────────────────────────────────────────────────── */
.flus-wrap {
  font-family: var(--flus-font);
  color: var(--flus-text);
  max-width: 480px;
  margin: 0 auto;
  padding: 16px;
  box-sizing: border-box;
}

/* ─── Card ─────────────────────────────────────────────────────────────────── */
.flus-card {
  background: var(--flus-card-bg);
  border-radius: var(--flus-radius);
  box-shadow: var(--flus-shadow);
  overflow: hidden;
  border: 1px solid var(--flus-border);
}

.flus-card__header {
  background: linear-gradient(135deg, var(--flus-primary), var(--flus-primary-dark));
  padding: 28px 24px 20px;
  text-align: center;
  color: #fff;
}

.flus-card__header--donate {
  background: linear-gradient(135deg, var(--flus-donate), var(--flus-donate-dark));
}

.flus-card__icon {
  width: 52px;
  height: 52px;
  background: rgba(255,255,255,.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
}

.flus-card__icon svg { width: 26px; height: 26px; }

.flus-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0 0 4px;
  color: #fff;
}

.flus-card__subtitle {
  font-size: .9rem;
  opacity: .85;
  margin: 0;
  color: #fff;
}

/* ─── Form ─────────────────────────────────────────────────────────────────── */
.flus-form {
  padding: 24px;
}

.flus-field {
  margin-bottom: 18px;
}

.flus-label {
  display: block;
  font-size: .82rem;
  font-weight: 600;
  color: var(--flus-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .04em;
}

.flus-required {
  color: var(--flus-failed);
  margin-left: 2px;
}

.flus-input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--flus-border);
  border-radius: var(--flus-radius-sm);
  font-size: .95rem;
  font-family: var(--flus-font);
  color: var(--flus-text);
  background: var(--flus-bg);
  outline: none;
  transition: border-color var(--flus-transition), box-shadow var(--flus-transition);
  box-sizing: border-box;
}

.flus-input:focus {
  border-color: var(--flus-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,.12);
  background: #fff;
}

.flus-input[readonly] {
  background: #f1f5f9;
  cursor: not-allowed;
}

.flus-textarea {
  resize: vertical;
  min-height: 80px;
}

/* Prefix / Currency wrappers */
.flus-input-prefix-wrap,
.flus-input-currency-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.flus-input-prefix,
.flus-input-currency {
  padding: 0 10px;
  height: 42px;
  line-height: 42px;
  background: var(--flus-border);
  border: 1.5px solid var(--flus-border);
  border-right: none;
  border-radius: var(--flus-radius-sm) 0 0 var(--flus-radius-sm);
  font-size: .85rem;
  font-weight: 600;
  color: var(--flus-muted);
  white-space: nowrap;
}

.flus-input--prefixed,
.flus-input--currency {
  border-radius: 0 var(--flus-radius-sm) var(--flus-radius-sm) 0;
  flex: 1;
}

.flus-field__hint {
  font-size: .78rem;
  color: var(--flus-muted);
  margin: 4px 0 0;
}

/* ─── Payment Methods ─────────────────────────────────────────────────────── */
.flus-methods {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.flus-method-card {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1.5px solid var(--flus-border);
  border-radius: var(--flus-radius-sm);
  cursor: pointer;
  transition: all var(--flus-transition);
  position: relative;
}

.flus-method-card:hover {
  border-color: var(--flus-primary);
  background: rgba(99,102,241,.04);
}

.flus-method-radio {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.flus-method-radio:checked ~ .flus-method-card,
.flus-method-card:has(.flus-method-radio:checked) {
  border-color: var(--flus-primary);
  background: rgba(99,102,241,.06);
}

.flus-method-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

.flus-method-name {
  font-size: .88rem;
  font-weight: 500;
  flex: 1;
}

.flus-method-check {
  font-size: .8rem;
  color: var(--flus-primary);
  opacity: 0;
  transition: opacity var(--flus-transition);
}

.flus-method-card:has(.flus-method-radio:checked) .flus-method-check {
  opacity: 1;
}

/* Compact chips for donation form */
.flus-methods--compact {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.flus-method-chip {
  padding: 6px 14px;
  border: 1.5px solid var(--flus-border);
  border-radius: 100px;
  font-size: .85rem;
  cursor: pointer;
  transition: all var(--flus-transition);
}

.flus-method-chip:has(.flus-method-radio:checked),
.flus-method-chip.active {
  border-color: var(--flus-donate);
  background: rgba(236,72,153,.08);
  color: var(--flus-donate-dark);
  font-weight: 600;
}

/* ─── Amount Buttons ─────────────────────────────────────────────────────── */
.flus-amount-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.flus-amount-btn {
  padding: 9px 12px;
  border: 1.5px solid var(--flus-border);
  border-radius: var(--flus-radius-sm);
  background: var(--flus-bg);
  cursor: pointer;
  font-size: .85rem;
  font-weight: 600;
  transition: all var(--flus-transition);
  font-family: var(--flus-font);
}

.flus-amount-btn:hover,
.flus-amount-btn.active {
  border-color: var(--flus-donate);
  background: rgba(236,72,153,.08);
  color: var(--flus-donate-dark);
}

.flus-amount-btn--custom.active {
  border-color: var(--flus-primary);
  background: rgba(99,102,241,.08);
  color: var(--flus-primary);
}

/* ─── Buttons ─────────────────────────────────────────────────────────────── */
.flus-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 24px;
  border: none;
  border-radius: var(--flus-radius-sm);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--flus-transition);
  font-family: var(--flus-font);
  text-decoration: none;
}

.flus-btn--primary {
  background: var(--flus-primary);
  color: #fff;
}

.flus-btn--primary:hover { background: var(--flus-primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(99,102,241,.4); }

.flus-btn--donate {
  background: var(--flus-donate);
  color: #fff;
}

.flus-btn--donate:hover { background: var(--flus-donate-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(236,72,153,.4); }

.flus-btn--full { width: 100%; }

.flus-btn:disabled,
.flus-btn.loading { opacity: .7; cursor: not-allowed; transform: none !important; box-shadow: none !important; }

/* ─── Spinner ──────────────────────────────────────────────────────────────── */
@keyframes flus-spin { to { transform: rotate(360deg); } }

.flus-spinner {
  width: 18px; height: 18px;
  animation: flus-spin .8s linear infinite;
}

/* ─── Alerts ──────────────────────────────────────────────────────────────── */
.flus-alert {
  margin: 0 24px 16px;
  padding: 12px 16px;
  border-radius: var(--flus-radius-sm);
  font-size: .88rem;
  font-weight: 500;
}

.flus-alert--error {
  background: #fff1f2;
  border: 1px solid #fecdd3;
  color: #be123c;
}

.flus-alert--success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #15803d;
}

/* ─── Badges ──────────────────────────────────────────────────────────────── */
.flus-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: .75rem;
  font-weight: 600;
  text-transform: capitalize;
}

.flus-badge--success { background:#dcfce7; color:#166534; }
.flus-badge--pending { background:#fef9c3; color:#854d0e; }
.flus-badge--failed  { background:#fee2e2; color:#991b1b; }
.flus-badge--incoming, .flus-badge--processed { background:#dbeafe; color:#1d4ed8; }
.flus-badge--rejected, .flus-badge--error     { background:#fee2e2; color:#991b1b; }
.flus-badge--warning  { background:#fef3c7; color:#92400e; }
.flus-badge--duplicate, .flus-badge--skipped  { background:#f3f4f6; color:#374151; }

/* ─── Secure Notice ───────────────────────────────────────────────────────── */
.flus-secure-notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  font-size: .75rem;
  color: var(--flus-muted);
  margin: 12px 0 0;
  text-align: center;
}

/* ─── Waiting State ───────────────────────────────────────────────────────── */
.flus-waiting {
  padding: 32px 24px;
  text-align: center;
}

.flus-waiting__icon { margin-bottom: 16px; }
.flus-waiting__icon svg { width: 64px; height: 64px; }

.flus-waiting h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0 0 8px;
  color: var(--flus-text);
}

.flus-waiting p {
  font-size: .88rem;
  color: var(--flus-muted);
  margin: 0 0 8px;
}

.flus-reference-display {
  font-size: .8rem;
  font-family: monospace;
  background: var(--flus-bg);
  border-radius: 6px;
  padding: 6px 12px;
  display: inline-block;
  color: var(--flus-muted);
}

@keyframes flus-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .4; }
}
.flus-pulse { animation: flus-pulse 1.6s ease-in-out infinite; }

/* ─── Progress Bar ─────────────────────────────────────────────────────────── */
.flus-progress-wrap { padding: 16px 24px 0; }
.flus-progress {
  height: 8px;
  background: var(--flus-border);
  border-radius: 100px;
  overflow: hidden;
}
.flus-progress__bar {
  height: 100%;
  background: var(--flus-donate);
  border-radius: 100px;
  transition: width 1s ease;
}
.flus-progress__label {
  font-size: .8rem;
  color: var(--flus-muted);
  text-align: right;
  margin: 4px 0 0;
}

/* ─── Transaction Table (frontend) ──────────────────────────────────────────── */
.flus-table-wrap { overflow-x: auto; }

.flus-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .88rem;
}

.flus-table th,
.flus-table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--flus-border);
}

.flus-table th {
  font-size: .78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--flus-muted);
  background: var(--flus-bg);
}

/* ─── Notice ──────────────────────────────────────────────────────────────── */
.flus-notice {
  background: var(--flus-bg);
  border: 1px solid var(--flus-border);
  padding: 12px 16px;
  border-radius: var(--flus-radius-sm);
  font-size: .9rem;
  color: var(--flus-muted);
}

.flus-empty {
  text-align: center;
  color: var(--flus-muted);
  padding: 32px;
  font-size: .9rem;
}

/* ─── Admin Styles ─────────────────────────────────────────────────────────── */
.flus-admin-wrap {
  font-family: var(--flus-font);
  max-width: 1200px;
}

.flus-admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}

.flus-admin-header h1 {
  margin: 0;
  font-size: 1.5rem;
}

.flus-admin-header__logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--flus-primary);
}

.flus-version {
  font-size: .75rem;
  background: rgba(99,102,241,.1);
  color: var(--flus-primary);
  padding: 3px 8px;
  border-radius: 100px;
  font-weight: 600;
}

/* Stat Grid */
.flus-stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.flus-stat-card {
  background: var(--flus-card-bg);
  border-radius: var(--flus-radius);
  padding: 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  box-shadow: var(--flus-shadow);
  border-left: 4px solid var(--flus-border);
  border-right: 1px solid var(--flus-border);
  border-top: 1px solid var(--flus-border);
  border-bottom: 1px solid var(--flus-border);
}

.flus-stat-card--revenue { border-left-color: var(--flus-primary); }
.flus-stat-card--success { border-left-color: var(--flus-success); }
.flus-stat-card--pending { border-left-color: var(--flus-pending); }
.flus-stat-card--failed  { border-left-color: var(--flus-failed);  }
.flus-stat-card--total   { border-left-color: #64748b; }

.flus-stat-card__icon { font-size: 1.6rem; }
.flus-stat-card__label { font-size: .77rem; font-weight: 600; color: var(--flus-muted); text-transform: uppercase; letter-spacing: .04em; margin: 0 0 4px; }
.flus-stat-card__value { font-size: 1.4rem; font-weight: 700; color: var(--flus-text); margin: 0 0 2px; }
.flus-stat-card__sub   { font-size: .75rem; color: var(--flus-muted); margin: 0; }

/* Admin Cards */
.flus-admin-card {
  background: var(--flus-card-bg);
  border: 1px solid var(--flus-border);
  border-radius: var(--flus-radius);
  padding: 20px 24px;
  margin-bottom: 20px;
  box-shadow: 0 1px 4px rgba(0,0,0,.06);
}

.flus-admin-card h2, .flus-admin-card h3 {
  margin-top: 0;
  margin-bottom: 16px;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--flus-text);
}

.flus-admin-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.flus-admin-card__header h3 { margin: 0; }

.flus-admin-card--info {
  background: #f0f9ff;
  border-color: #bae6fd;
}

.flus-admin-card--help pre {
  background: #f1f5f9;
  padding: 10px 12px;
  border-radius: 6px;
  font-size: .8rem;
  overflow-x: auto;
}

/* Admin Table */
.flus-admin-table { font-size: .87rem; }
.flus-admin-table th { white-space: nowrap; }
.flus-admin-table code { font-size: .78rem; }

/* Admin Layout */
.flus-admin-row { display: grid; grid-template-columns: 2fr 1fr; gap: 20px; margin-bottom: 20px; }
@media (max-width: 768px) { .flus-admin-row { grid-template-columns: 1fr; } }

/* Settings Grid */
.flus-settings-grid { display: grid; grid-template-columns: 1fr 280px; gap: 20px; align-items: start; }
@media (max-width: 900px) { .flus-settings-grid { grid-template-columns: 1fr; } }

/* Method Stats */
.flus-method-stat {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--flus-border);
  font-size: .9rem;
}
.flus-method-stat:last-child { border-bottom: none; }
.flus-method-stat__label { color: var(--flus-muted); }
.flus-method-stat__value { font-weight: 600; }

/* Filters */
.flus-filters { background: var(--flus-card-bg); padding: 14px 16px; border-radius: var(--flus-radius-sm); border: 1px solid var(--flus-border); margin-bottom: 16px; }
.flus-filters form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.flus-filters select, .flus-filters input[type="date"], .flus-filters input[type="search"] {
  border: 1px solid var(--flus-border); border-radius: 6px; padding: 6px 10px; font-size: .88rem;
}

/* Webhook URL */
.flus-webhook-url-box { display: flex; gap: 8px; align-items: center; }
.flus-webhook-url-input { flex: 1; font-family: monospace; font-size: .85rem; }

/* Status List */
.flus-status-list { list-style: none; padding: 0; margin: 0; }
.flus-status-list li { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--flus-border); font-size: .88rem; }
.flus-status-list li:last-child { border-bottom: none; }

/* Shortcode Table */
.flus-shortcode-table { width: 100%; border-collapse: collapse; font-size: .85rem; margin-bottom: 12px; }
.flus-shortcode-table td { padding: 5px 6px; }
.flus-shortcode-table code { background: #f1f5f9; padding: 2px 6px; border-radius: 4px; }

/* Total count */
.flus-total-count { color: var(--flus-muted); font-size: .85rem; margin: 0 0 8px; }

/* Misc */
.flus-link { color: var(--flus-primary); text-decoration: none; font-size: .88rem; }
.flus-link:hover { text-decoration: underline; }
.flus-muted { color: var(--flus-muted); font-size: .82rem; }

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 500px) {
  .flus-methods { grid-template-columns: 1fr; }
  .flus-wrap { padding: 8px; }
  .flus-form { padding: 16px; }
  .flus-card__header { padding: 20px 16px 14px; }
}