/* =========================================================
   AUTHENTICATION STYLES (Hedge Funded Institutional Theme)
   ========================================================= */

:root {
  --bg-page: #050505;
  --bg-card: #0A0A0A;
  --bg-input: #111111;
  --brand-950: #000000;
  --accent-500: #F4B41A; /* Institutional Gold */
  --accent-400: #F7C64B;
  --accent-teal: #00C896; 
  --text-dark: #FFFFFF;
  --text-body: #D1D5DB;
  --text-muted: #9CA3AF;
  --border-light: #222222;
  --border-focus: #F4B41A;
  --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-card: 0 24px 54px -12px rgba(0, 0, 0, 0.85);
  --shadow-brand: 0 16px 38px -6px rgba(244, 180, 26, 0.16);
}

* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-page);
  color: var(--text-dark);
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  padding: 110px 16px 40px; 
  -webkit-font-smoothing: antialiased;
  position: relative;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(244, 180, 26, 0.04) 0%, transparent 45%),
    radial-gradient(circle at 85% 35%, rgba(0, 200, 150, 0.03) 0%, transparent 40%);
}

/* Professional Topbar */
.topbar {
  position: fixed;
  top: 12px; left: 12px; right: 12px;
  height: 64px;
  background: rgba(10, 10, 10, 0.82);
  backdrop-filter: blur(24px) saturate(190%);
  -webkit-backdrop-filter: blur(24px) saturate(190%);
  border: 1px solid var(--border-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  box-shadow: 0 14px 34px -6px rgba(0, 0, 0, 0.85);
  max-width: 1140px;
  margin: 0 auto;
}
.topbar-inner { width: 100%; padding: 0 24px; display: flex; align-items: center; justify-content: center; }
.pf-logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none !important; }
.pf-logo-svg { transition: transform 0.3s ease; border-radius: 8px; border: 1px solid var(--border-light); background: var(--brand-950); }
.pf-logo:hover .pf-logo-svg { transform: scale(1.05); border-color: var(--accent-500); }
.pf-logo-brand { display: flex; flex-direction: column; line-height: 1.05; }
.pf-logo-text { font-weight: 800; font-size: 1.15rem; color: var(--text-dark); letter-spacing: -0.4px; }
.pf-logo-text span { color: var(--accent-500); }
.pf-logo-text sup { font-size: 0.65rem; margin-left: 2px; color: var(--text-muted); }
.pf-logo-sub { font-family: 'JetBrains Mono', monospace; font-size: 0.58rem; font-weight: 700; letter-spacing: 1.5px; color: var(--accent-teal); margin-top: 2px; }

/* Background Ambient Glow */
.auth-bg-glow { position: fixed; width: 600px; height: 600px; border-radius: 50%; filter: blur(140px); z-index: -1; opacity: 0.12; pointer-events: none; }
.glow-1 { top: -200px; left: -200px; background: var(--accent-500); }
.glow-2 { bottom: -200px; right: -200px; background: var(--accent-teal); }

a { text-decoration: none; color: var(--accent-400); transition: var(--transition); }
a:hover { color: var(--accent-500); text-decoration: underline; }

/* Container & Card */
.auth-container { width: 100%; max-width: 480px; margin: 0 auto; z-index: 1; }
.auth-card {
  background: linear-gradient(180deg, var(--bg-input) 0%, var(--bg-card) 100%);
  border: 1px solid var(--border-light);
  border-radius: 22px;
  padding: 38px 36px;
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: visible; 
}

/* Sliding Mode Tabs with Glider */
.auth-mode-tabs {
  position: relative;
  display: flex;
  background: var(--bg-card);
  padding: 6px;
  border-radius: 14px;
  border: 1px solid var(--border-light);
  margin-bottom: 32px;
}
.tab-glider {
  position: absolute;
  top: 6px; left: 6px; bottom: 6px;
  width: calc(50% - 6px);
  background: var(--bg-input);
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(244, 180, 26, 0.3);
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  z-index: 1;
}
.auth-tab-btn {
  position: relative;
  z-index: 2;
  flex: 1;
  height: 42px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 800;
  cursor: pointer;
  transition: color 0.3s ease;
}
.auth-tab-btn.active { color: var(--accent-500); }

/* Form Switching Animation */
.auth-box { display: none; opacity: 0; transform: translateY(10px); transition: opacity 0.4s ease, transform 0.4s ease; }
.auth-box.active { display: block; opacity: 1; transform: translateY(0); }

/* Back Button for Forgot Password */
.back-btn {
  background: none; border: none; color: var(--text-muted); font-size: 0.9rem; font-weight: 800; 
  cursor: pointer; display: inline-flex; align-items: center; gap: 6px; margin-bottom: 24px; transition: var(--transition);
}
.back-btn:hover { color: var(--text-dark); }
.back-btn svg { transition: transform 0.2s; }
.back-btn:hover svg { transform: translateX(-4px); }

.auth-titles { text-align: center; margin-bottom: 28px; }
.auth-title { font-size: 1.65rem; font-weight: 800; color: var(--text-dark); letter-spacing: -0.5px; margin-bottom: 6px; }
.auth-subtitle { font-size: 0.95rem; color: var(--text-muted); font-weight: 500; }

/* Forms & Inputs */
form { display: flex; flex-direction: column; gap: 18px; }
.input-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.input-group { display: flex; flex-direction: column; gap: 8px; position: relative; }
.input-group label { font-size: 0.82rem; font-weight: 700; color: #E2E8F0; transition: var(--transition); }
.input-group label span { color: var(--text-muted); font-weight: 500; }

input[type="text"], input[type="email"], input[type="password"], input[type="tel"], input[type="date"] {
  width: 100%; height: 52px; background-color: var(--bg-card); border: 1px solid var(--border-light); color: var(--text-dark);
  padding: 0 16px; border-radius: 12px; font-size: 0.95rem; font-family: inherit; font-weight: 500; transition: var(--transition); outline: none;
}
input::placeholder { color: #475569; }
input:hover { border-color: rgba(244, 180, 26, 0.4); } 
input:focus { border-color: var(--accent-500); background-color: var(--bg-input); box-shadow: 0 0 0 4px rgba(244, 180, 26, 0.12); }
input:focus + label { color: var(--accent-500); }

/* Unified Custom CSS Dropdown (Title & Country) */
.country-picker-group, .custom-select-group { position: relative; width: 100%; }
.auth-country-select, .custom-select-trigger { 
  cursor: pointer; 
  background-image: url('data:image/svg+xml;utf8,<svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="%2394A3B8" stroke-width="2" stroke-linecap="round"><polyline points="6 9 12 15 18 9"/></svg>'); 
  background-repeat: no-repeat; background-position: right 16px center; padding-right: 36px !important; 
}
.country-dropdown, .custom-options { 
  display: none; position: absolute; top: calc(100% + 4px); left: 0; right: 0; 
  background: var(--bg-input); border: 1px solid var(--border-light); border-radius: 12px; 
  box-shadow: 0 12px 36px rgba(0,0,0,0.8); z-index: 100; flex-direction: column; overflow: hidden; max-height: 320px; 
}
.country-picker-group.open .country-dropdown, .custom-select-group.open .custom-options { display: flex; animation: slideDown 0.2s ease; }
.country-list { overflow-y: auto; flex: 1; background: var(--bg-input); }
.country-item, .custom-option { 
  padding: 12px 16px; cursor: pointer; display: flex; align-items: center; gap: 12px; 
  font-size: 0.95rem; font-weight: 600; color: var(--text-dark); transition: background 0.15s ease; 
}
.country-item:hover, .country-item.selected, .custom-option:hover, .custom-option.selected { 
  background: var(--bg-card); color: var(--accent-400); 
}
.country-flag { font-size: 1.1rem; line-height: 1; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Password Visibility & Inline OTP */
.password-wrapper { position: relative; display: flex; align-items: center; }
.password-wrapper input { padding-right: 44px; width: 100%; }
.toggle-password { position: absolute; right: 12px; background: none; border: none; color: var(--text-muted); cursor: pointer; display: flex; align-items: center; justify-content: center; padding: 4px; transition: color 0.2s; outline: none; }
.toggle-password:hover { color: var(--text-dark); }

.otp-group { display: flex; gap: 8px; width: 100%; }
.otp-group input { flex: 1; }
.pf-btn-outline { background: rgba(17, 17, 17, 0.6); border: 1px solid var(--border-light); color: var(--text-body); padding: 0 16px; border-radius: 12px; cursor: pointer; font-size: 0.85rem; font-weight: 800; transition: var(--transition); white-space: nowrap; height: 52px; outline: none; }
.pf-btn-outline:hover:not(:disabled) { background: rgba(244, 180, 26, 0.12); color: var(--text-dark); border-color: var(--accent-500); }
.pf-btn-outline:disabled { opacity: 0.5; cursor: not-allowed; border-color: var(--border-light); color: var(--text-muted); background: transparent; box-shadow: none; }

/* Checkboxes & Actions */
.auth-actions { display: flex; justify-content: space-between; align-items: center; margin-top: -2px; }
.forgot-link { font-size: 0.85rem; font-weight: 700; color: var(--accent-400); text-decoration: none !important; transition: var(--transition); }
.forgot-link:hover { color: var(--text-dark); text-decoration: underline !important; }
.checkbox-container { display: block; position: relative; padding-left: 28px; cursor: pointer; font-size: 0.9rem; font-weight: 500; color: var(--text-body); user-select: none; }
.checkbox-container.text-sm { font-size: 0.82rem; line-height: 1.5; color: var(--text-muted); }
.checkbox-container input { position: absolute; opacity: 0; cursor: pointer; height: 0; width: 0; }
.checkmark { position: absolute; top: 2px; left: 0; height: 18px; width: 18px; background-color: var(--bg-card); border: 1.5px solid var(--border-light); border-radius: 6px; transition: var(--transition); }
.checkbox-container:hover input ~ .checkmark { border-color: var(--accent-500); }
.checkbox-container input:checked ~ .checkmark { background-color: var(--accent-500); border-color: var(--accent-500); }
.checkmark:after { content: ""; position: absolute; display: none; }
.checkbox-container input:checked ~ .checkmark:after { display: block; }
.checkbox-container .checkmark:after { left: 5px; top: 2px; width: 4px; height: 9px; border: solid var(--brand-950); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.agreements-group { display: flex; flex-direction: column; gap: 16px; margin-top: 8px; background: var(--bg-card); padding: 18px; border-radius: 14px; border: 1px solid var(--border-light); }

/* Main Button (Institutional Gold) */
.pf-btn { display: inline-flex; align-items: center; justify-content: center; height: 56px; padding: 14px 24px; font-size: 1.05rem; font-weight: 800; border-radius: 12px; cursor: pointer; border: none; outline: none; transition: var(--transition); }
.pf-btn-gold { background: linear-gradient(135deg, var(--accent-400) 0%, var(--accent-500) 50%, #D49A15 100%); color: var(--brand-950); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35), 0 8px 22px -4px rgba(244, 180, 26, 0.28); }
.pf-btn-gold:hover { transform: translateY(-2px); box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 12px 28px -4px rgba(244, 180, 26, 0.42); filter: brightness(1.06); }
.pf-w-full { width: 100%; }
.mt-4 { margin-top: 12px; }

/* Responsive */
@media (max-width: 480px) {
  .auth-card { padding: 32px 22px; }
  .input-row { grid-template-columns: 1fr; gap: 18px; }
}

/* Modal */
.modal-overlay { position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(5, 5, 5, 0.92); backdrop-filter: blur(8px); display: flex; justify-content: center; align-items: center; z-index: 1000; opacity: 0; visibility: hidden; transition: var(--transition); }
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-content { background: var(--bg-card); border: 1.5px solid var(--border-light); border-radius: 20px; padding: 36px; width: 90%; max-width: 420px; text-align: center; box-shadow: var(--shadow-card); transform: translateY(20px) scale(0.98); transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1); }
.modal-overlay.active .modal-content { transform: translateY(0) scale(1); border-color: var(--accent-500); }
.modal-icon { margin: 0 auto 18px auto; display: flex; justify-content: center; align-items: center; width: 68px; height: 68px; border-radius: 50%; }
.modal-icon.success { background: rgba(0, 200, 150, 0.12); color: var(--accent-teal); }
.modal-icon.error { background: rgba(239, 68, 68, 0.12); color: #EF4444; }
.modal-title { font-size: 1.5rem; font-weight: 800; color: var(--text-dark); margin-bottom: 10px; }
.modal-message { font-size: 0.95rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 28px; }