/* ============================================================
   TAC Membership Plugin - Frontend Styles
   Trader Assistant Club - tuce.app
   ============================================================ */

:root {
  --tac-primary: #00d4ff;
  --tac-secondary: #0a0e1a;
  --tac-accent: #7c3aed;
  --tac-success: #10b981;
  --tac-warning: #f59e0b;
  --tac-danger: #ef4444;
  --tac-dark: #0d1117;
  --tac-darker: #080c12;
  --tac-card: #111827;
  --tac-border: #1f2937;
  --tac-text: #e5e7eb;
  --tac-muted: #6b7280;
  --tac-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

/* ---- Base Reset ---- */
.tac-wrap * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

.tac-wrap {
  font-family: var(--tac-font);
  color: var(--tac-text);
  line-height: 1.6;
}

/* ============================================================
   MEMBERSHIP PLANS
   ============================================================ */

.tac-plans-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px;
}

.tac-plans-header {
  text-align: center;
  margin-bottom: 48px;
}

.tac-plans-header h2 {
  font-size: 2.4rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.tac-plans-header p {
  font-size: 1.1rem;
  color: var(--tac-muted);
  max-width: 560px;
  margin: 0 auto;
}

.tac-plans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  align-items: start;
}

.tac-plan-card {
  background: var(--tac-card);
  border: 1px solid var(--tac-border);
  border-radius: 16px;
  padding: 32px;
  position: relative;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.tac-plan-card:hover {
  transform: translateY(-4px);
  border-color: var(--tac-primary);
  box-shadow: 0 0 30px rgba(0, 212, 255, 0.1);
}

.tac-plan-card.tac-featured {
  border-color: var(--tac-primary);
  box-shadow: 0 0 40px rgba(0, 212, 255, 0.15);
  transform: scale(1.03);
}

.tac-plan-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--tac-primary), var(--tac-accent));
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 18px;
  border-radius: 20px;
  letter-spacing: 1px;
  text-transform: uppercase;
  white-space: nowrap;
}

.tac-plan-name {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.tac-plan-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.tac-price-currency {
  font-size: 1.2rem;
  color: var(--tac-muted);
  font-weight: 600;
  margin-top: 6px;
}

.tac-price-amount {
  font-size: 3rem;
  font-weight: 800;
  color: var(--tac-primary);
  line-height: 1;
}

.tac-price-period {
  font-size: 0.9rem;
  color: var(--tac-muted);
}

.tac-plan-description {
  font-size: 0.9rem;
  color: var(--tac-muted);
  margin-bottom: 24px;
  min-height: 44px;
}

.tac-plan-features {
  list-style: none;
  margin-bottom: 28px;
}

.tac-plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--tac-text);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.tac-plan-features li:last-child {
  border-bottom: none;
}

.tac-feature-icon {
  color: var(--tac-success);
  font-size: 1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

.tac-feature-icon.tac-no {
  color: var(--tac-muted);
}

.tac-btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.2s;
  text-align: center;
  width: 100%;
}

.tac-btn-primary {
  background: linear-gradient(135deg, var(--tac-primary), #0099cc);
  color: #000;
}

.tac-btn-primary:hover {
  background: linear-gradient(135deg, #33ddff, #00b3ee);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(0, 212, 255, 0.3);
  color: #000;
  text-decoration: none;
}

.tac-btn-outline {
  background: transparent;
  color: var(--tac-primary);
  border: 2px solid var(--tac-primary);
}

.tac-btn-outline:hover {
  background: var(--tac-primary);
  color: #000;
  text-decoration: none;
}

.tac-btn-secondary {
  background: var(--tac-border);
  color: var(--tac-text);
}

.tac-btn-secondary:hover {
  background: #374151;
  text-decoration: none;
}

.tac-btn-danger {
  background: var(--tac-danger);
  color: #fff;
}

.tac-btn-danger:hover {
  background: #dc2626;
  text-decoration: none;
}

.tac-btn-sm {
  padding: 8px 16px;
  font-size: 0.82rem;
}

.tac-btn:disabled,
.tac-btn[disabled] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ============================================================
   LOGIN FORM
   ============================================================ */

.tac-login-wrap {
  max-width: 440px;
  margin: 60px auto;
  padding: 20px;
}

.tac-login-box {
  background: var(--tac-card);
  border: 1px solid var(--tac-border);
  border-radius: 16px;
  padding: 40px;
}

.tac-login-logo {
  text-align: center;
  margin-bottom: 28px;
}

.tac-login-logo img {
  max-height: 52px;
  width: auto;
}

.tac-login-logo h2 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  margin-top: 12px;
}

.tac-login-logo p {
  font-size: 0.9rem;
  color: var(--tac-muted);
  margin-top: 4px;
}

/* ============================================================
   FORMS
   ============================================================ */

.tac-form-group {
  margin-bottom: 20px;
}

.tac-form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--tac-text);
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}

.tac-form-group input,
.tac-form-group select,
.tac-form-group textarea {
  width: 100%;
  background: var(--tac-darker);
  border: 1px solid var(--tac-border);
  border-radius: 8px;
  padding: 11px 14px;
  font-size: 0.95rem;
  color: var(--tac-text);
  transition: border-color 0.2s, box-shadow 0.2s;
  font-family: var(--tac-font);
}

.tac-form-group input:focus,
.tac-form-group select:focus,
.tac-form-group textarea:focus {
  outline: none;
  border-color: var(--tac-primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.tac-form-group input::placeholder {
  color: var(--tac-muted);
}

.tac-form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.tac-form-hint {
  font-size: 0.8rem;
  color: var(--tac-muted);
  margin-top: 5px;
}

.tac-form-divider {
  text-align: center;
  position: relative;
  margin: 24px 0;
}

.tac-form-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--tac-border);
}

.tac-form-divider span {
  position: relative;
  background: var(--tac-card);
  padding: 0 12px;
  font-size: 0.82rem;
  color: var(--tac-muted);
}

.tac-form-links {
  text-align: center;
  margin-top: 20px;
  font-size: 0.87rem;
  color: var(--tac-muted);
}

.tac-form-links a {
  color: var(--tac-primary);
  text-decoration: none;
}

.tac-form-links a:hover {
  text-decoration: underline;
}

/* ============================================================
   REGISTER FORM
   ============================================================ */

.tac-register-wrap {
  max-width: 540px;
  margin: 40px auto;
  padding: 20px;
}

.tac-register-box {
  background: var(--tac-card);
  border: 1px solid var(--tac-border);
  border-radius: 16px;
  padding: 40px;
}

.tac-register-header {
  margin-bottom: 32px;
}

.tac-register-header h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
}

.tac-register-header p {
  color: var(--tac-muted);
  margin-top: 6px;
  font-size: 0.9rem;
}

.tac-plan-selector {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 6px;
}

.tac-plan-option {
  border: 2px solid var(--tac-border);
  border-radius: 10px;
  padding: 14px 12px;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
  text-align: center;
  position: relative;
}

.tac-plan-option:hover {
  border-color: var(--tac-primary);
  background: rgba(0, 212, 255, 0.04);
}

.tac-plan-option.selected {
  border-color: var(--tac-primary);
  background: rgba(0, 212, 255, 0.08);
}

.tac-plan-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.tac-plan-option-name {
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  display: block;
}

.tac-plan-option-price {
  font-size: 0.82rem;
  color: var(--tac-primary);
  display: block;
  margin-top: 4px;
}

/* ============================================================
   ACCOUNT DASHBOARD
   ============================================================ */

.tac-account-wrap {
  max-width: 900px;
  margin: 40px auto;
  padding: 20px;
}

.tac-account-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 16px;
}

.tac-account-header h2 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #fff;
}

.tac-account-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 24px;
  align-items: start;
}

.tac-account-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.tac-card {
  background: var(--tac-card);
  border: 1px solid var(--tac-border);
  border-radius: 14px;
  padding: 24px;
}

.tac-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.tac-card-title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--tac-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}

.tac-membership-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.tac-badge-starter {
  background: rgba(16, 185, 129, 0.15);
  color: var(--tac-success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.tac-badge-pro {
  background: rgba(0, 212, 255, 0.12);
  color: var(--tac-primary);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.tac-badge-institutional {
  background: rgba(124, 58, 237, 0.15);
  color: #a78bfa;
  border: 1px solid rgba(124, 58, 237, 0.3);
}

.tac-badge-none {
  background: rgba(107, 114, 128, 0.15);
  color: var(--tac-muted);
  border: 1px solid rgba(107, 114, 128, 0.3);
}

.tac-stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.88rem;
}

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

.tac-stat-label {
  color: var(--tac-muted);
}

.tac-stat-value {
  color: var(--tac-text);
  font-weight: 600;
}

.tac-status-active {
  color: var(--tac-success);
}

.tac-status-cancelled {
  color: var(--tac-danger);
}

.tac-status-pending {
  color: var(--tac-warning);
}

/* Quick Links */
.tac-quick-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tac-quick-link {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: 9px;
  background: var(--tac-darker);
  color: var(--tac-text);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.tac-quick-link:hover {
  background: var(--tac-border);
  color: var(--tac-primary);
  text-decoration: none;
}

.tac-quick-link .dashicons {
  font-size: 1rem;
  width: 18px;
  height: 18px;
}

/* Payment History Table */
.tac-payments-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.tac-payments-table th {
  text-align: left;
  padding: 10px 14px;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--tac-muted);
  text-transform: uppercase;
  letter-spacing: 0.6px;
  border-bottom: 1px solid var(--tac-border);
}

.tac-payments-table td {
  padding: 12px 14px;
  color: var(--tac-text);
  border-bottom: 1px solid rgba(255,255,255,0.04);
}

.tac-payments-table tr:last-child td {
  border-bottom: none;
}

.tac-payments-table tr:hover td {
  background: rgba(255,255,255,0.02);
}

/* ============================================================
   ALERTS & NOTICES
   ============================================================ */

.tac-notice {
  padding: 14px 18px;
  border-radius: 10px;
  font-size: 0.9rem;
  margin-bottom: 20px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.tac-notice-success {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
}

.tac-notice-error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.tac-notice-warning {
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: #fcd34d;
}

.tac-notice-info {
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
  color: #67e8f9;
}

/* ============================================================
   LOADING SPINNER
   ============================================================ */

.tac-spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 212, 255, 0.25);
  border-top-color: var(--tac-primary);
  border-radius: 50%;
  animation: tac-spin 0.7s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}

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

/* ============================================================
   MODAL
   ============================================================ */

.tac-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.75);
  z-index: 9999;
  align-items: center;
  justify-content: center;
}

.tac-modal-overlay.tac-open {
  display: flex;
}

.tac-modal {
  background: var(--tac-card);
  border: 1px solid var(--tac-border);
  border-radius: 16px;
  padding: 36px;
  max-width: 480px;
  width: 90%;
  position: relative;
  animation: tac-modal-in 0.2s ease;
}

@keyframes tac-modal-in {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.tac-modal-close {
  position: absolute;
  top: 16px;
  right: 20px;
  background: none;
  border: none;
  color: var(--tac-muted);
  font-size: 1.4rem;
  cursor: pointer;
  line-height: 1;
}

.tac-modal-close:hover {
  color: #fff;
}

.tac-modal h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}

.tac-modal p {
  color: var(--tac-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* ============================================================
   TABS
   ============================================================ */

.tac-tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--tac-border);
  margin-bottom: 24px;
  overflow-x: auto;
}

.tac-tab {
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--tac-muted);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color 0.2s, border-color 0.2s;
}

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

.tac-tab.active {
  color: var(--tac-primary);
  border-bottom-color: var(--tac-primary);
}

.tac-tab-content {
  display: none;
}

.tac-tab-content.active {
  display: block;
}

/* ============================================================
   CHAT / TIPS WIDGET
   ============================================================ */

.tac-chat-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 8888;
  font-family: var(--tac-font);
}

.tac-chat-toggle {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tac-primary), var(--tac-accent));
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(0, 212, 255, 0.35);
  transition: transform 0.2s, box-shadow 0.2s;
  color: #fff;
  font-size: 1.4rem;
  position: relative;
}

.tac-chat-toggle:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(0, 212, 255, 0.5);
}

.tac-chat-toggle .tac-chat-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 18px;
  height: 18px;
  background: var(--tac-danger);
  border-radius: 50%;
  font-size: 0.68rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  border: 2px solid var(--tac-darker);
}

.tac-chat-window {
  position: absolute;
  bottom: 70px;
  right: 0;
  width: 360px;
  max-height: 520px;
  background: var(--tac-card);
  border: 1px solid var(--tac-border);
  border-radius: 16px;
  box-shadow: 0 10px 60px rgba(0,0,0,0.5);
  display: none;
  flex-direction: column;
  overflow: hidden;
  animation: tac-slide-up 0.25s ease;
}

.tac-chat-window.open {
  display: flex;
}

@keyframes tac-slide-up {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

.tac-chat-header {
  background: linear-gradient(135deg, #0d1117, #1a2235);
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--tac-border);
}

.tac-chat-header-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tac-chat-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--tac-primary), var(--tac-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: #fff;
  font-weight: 700;
  flex-shrink: 0;
}

.tac-chat-name {
  font-weight: 700;
  color: #fff;
  font-size: 0.9rem;
}

.tac-chat-status {
  font-size: 0.75rem;
  color: var(--tac-success);
  display: flex;
  align-items: center;
  gap: 5px;
}

.tac-chat-status::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--tac-success);
  border-radius: 50%;
  display: inline-block;
}

.tac-chat-header-close {
  background: none;
  border: none;
  color: var(--tac-muted);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 4px;
  border-radius: 4px;
  transition: color 0.2s, background 0.2s;
}

.tac-chat-header-close:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}

/* Chat Tabs */
.tac-chat-tabs {
  display: flex;
  border-bottom: 1px solid var(--tac-border);
  background: var(--tac-darker);
}

.tac-chat-tab {
  flex: 1;
  padding: 10px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--tac-muted);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.tac-chat-tab.active {
  color: var(--tac-primary);
  border-bottom-color: var(--tac-primary);
}

/* Chat Messages */
.tac-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 290px;
}

.tac-chat-messages::-webkit-scrollbar {
  width: 4px;
}

.tac-chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.tac-chat-messages::-webkit-scrollbar-thumb {
  background: var(--tac-border);
  border-radius: 4px;
}

.tac-msg {
  display: flex;
  gap: 8px;
  max-width: 88%;
}

.tac-msg.tac-msg-user {
  align-self: flex-end;
  flex-direction: row-reverse;
}

.tac-msg-bubble {
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 0.85rem;
  line-height: 1.45;
}

.tac-msg-bot .tac-msg-bubble {
  background: var(--tac-darker);
  border: 1px solid var(--tac-border);
  color: var(--tac-text);
  border-radius: 4px 12px 12px 12px;
}

.tac-msg-user .tac-msg-bubble {
  background: linear-gradient(135deg, var(--tac-primary), #0099cc);
  color: #000;
  font-weight: 500;
  border-radius: 12px 4px 12px 12px;
}

.tac-msg-time {
  font-size: 0.7rem;
  color: var(--tac-muted);
  margin-top: 3px;
  align-self: flex-end;
}

.tac-msg-typing {
  display: flex;
  gap: 4px;
  padding: 10px 14px;
  background: var(--tac-darker);
  border: 1px solid var(--tac-border);
  border-radius: 4px 12px 12px 12px;
  width: fit-content;
}

.tac-msg-typing span {
  width: 6px;
  height: 6px;
  background: var(--tac-muted);
  border-radius: 50%;
  animation: tac-bounce 1.2s infinite;
}

.tac-msg-typing span:nth-child(2) { animation-delay: 0.2s; }
.tac-msg-typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes tac-bounce {
  0%, 60%, 100% { transform: translateY(0); }
  30% { transform: translateY(-6px); }
}

/* Tips Panel */
.tac-tips-panel {
  display: none;
  flex-direction: column;
  max-height: 350px;
  overflow-y: auto;
}

.tac-tips-panel.active {
  display: flex;
}

.tac-tip-item {
  padding: 14px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  cursor: pointer;
  transition: background 0.15s;
}

.tac-tip-item:hover {
  background: rgba(255,255,255,0.03);
}

.tac-tip-category {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 5px;
}

.tac-tip-cat-entry { color: #f59e0b; }
.tac-tip-cat-exit { color: #ef4444; }
.tac-tip-cat-risk { color: #8b5cf6; }
.tac-tip-cat-psychology { color: #06b6d4; }
.tac-tip-cat-setup { color: #10b981; }

.tac-tip-title {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--tac-text);
  margin-bottom: 3px;
}

.tac-tip-preview {
  font-size: 0.78rem;
  color: var(--tac-muted);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Chat Input */
.tac-chat-input-area {
  padding: 12px 14px;
  border-top: 1px solid var(--tac-border);
  display: flex;
  gap: 8px;
  align-items: flex-end;
  background: var(--tac-darker);
}

.tac-chat-input {
  flex: 1;
  background: var(--tac-card);
  border: 1px solid var(--tac-border);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 0.85rem;
  color: var(--tac-text);
  font-family: var(--tac-font);
  resize: none;
  min-height: 38px;
  max-height: 100px;
  transition: border-color 0.2s;
}

.tac-chat-input:focus {
  outline: none;
  border-color: var(--tac-primary);
}

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

.tac-chat-send {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--tac-primary);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-size: 0.9rem;
  transition: background 0.2s, transform 0.1s;
  flex-shrink: 0;
}

.tac-chat-send:hover {
  background: #33ddff;
  transform: scale(1.05);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .tac-plans-grid {
    grid-template-columns: 1fr;
  }

  .tac-plan-card.tac-featured {
    transform: none;
  }

  .tac-account-grid {
    grid-template-columns: 1fr;
  }

  .tac-form-row {
    grid-template-columns: 1fr;
  }

  .tac-chat-window {
    width: calc(100vw - 32px);
    right: -12px;
  }

  .tac-account-header {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .tac-login-box,
  .tac-register-box {
    padding: 28px 22px;
  }

  .tac-plans-header h2 {
    font-size: 1.8rem;
  }
}