/* ================================================
   PREMIUM AUTH - Dark Fintech Trading UI
   ZorafinTrade Authentication Pages
   ================================================ */

/* ---------- Google Font ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ---------- CSS Variables ---------- */
:root {
    --pa-black: #000000;
    --pa-dark-1: #0a0a0f;
    --pa-dark-2: #0f172a;
    --pa-dark-3: #111827;
    --pa-dark-4: #1e293b;
    --pa-dark-5: #1a1a2e;
    --pa-card-bg: rgba(15, 23, 42, 0.4);
    --pa-card-border: rgba(30, 144, 255, 0.12);
    --pa-blue: #1e90ff;
    --pa-blue-light: #60b4ff;
    --pa-cyan: #22d3ee;
    --pa-gold: #d4af37;
    --pa-gold-light: #f0d060;
    --pa-white: #ffffff;
    --pa-gray: #94a3b8;
    --pa-gray-light: #cbd5e1;
    --pa-gray-dark: #475569;
    --pa-input-bg: rgba(17, 24, 39, 0.8);
    --pa-input-border: rgba(30, 144, 255, 0.15);
    --pa-danger: #ef4444;
    --pa-success: #22c55e;
    --pa-warning: #eab308;
    --pa-radius: 14px;
    --pa-radius-sm: 10px;
    --pa-radius-pill: 50px;
    --pa-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --pa-transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---------- Background Animations ---------- */
@keyframes pa-float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
        opacity: 0.4;
    }

    50% {
        transform: translateY(-25px) rotate(3deg);
        opacity: 0.7;
    }
}

@keyframes pa-pulse-glow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(30, 144, 255, 0.08), 0 0 60px rgba(30, 144, 255, 0.04);
    }

    50% {
        box-shadow: 0 0 30px rgba(30, 144, 255, 0.15), 0 0 80px rgba(30, 144, 255, 0.08);
    }
}

@keyframes pa-border-glow {
    0% {
        border-color: rgba(30, 144, 255, 0.12);
    }

    33% {
        border-color: rgba(212, 175, 55, 0.2);
    }

    66% {
        border-color: rgba(34, 211, 238, 0.18);
    }

    100% {
        border-color: rgba(30, 144, 255, 0.12);
    }
}

@keyframes pa-shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

@keyframes pa-fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pa-orb-1 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(60px, -40px) scale(1.1);
    }

    50% {
        transform: translate(-30px, -80px) scale(0.95);
    }

    75% {
        transform: translate(-60px, 20px) scale(1.05);
    }
}

@keyframes pa-orb-2 {

    0%,
    100% {
        transform: translate(0, 0) scale(1);
    }

    25% {
        transform: translate(-50px, 50px) scale(1.08);
    }

    50% {
        transform: translate(40px, 70px) scale(0.92);
    }

    75% {
        transform: translate(70px, -30px) scale(1.03);
    }
}

/* ---------- Auth Page Body ---------- */
.auth-page-body {
    font-family: var(--pa-font) !important;
    background: url('../img/background/trading_crypto_bg.png') no-repeat center center fixed !important;
    background-size: cover !important;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
    color: var(--pa-white);
}

/* Floating orbs background */
.auth-page-body::before,
.auth-page-body::after {
    content: '';
    position: fixed;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
}

.auth-page-body::before {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(30, 144, 255, 0.12) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: pa-orb-1 15s ease-in-out infinite;
}

.auth-page-body::after {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.08) 0%, transparent 70%);
    bottom: -80px;
    left: -80px;
    animation: pa-orb-2 18s ease-in-out infinite;
}

/* ---------- Auth Section ---------- */
.premium-auth-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 15px;
    position: relative;
    z-index: 1;
}

/* Decorative grid overlay */
.premium-auth-section::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(rgba(30, 144, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 144, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    pointer-events: none;
    z-index: -1;
}

/* ---------- Auth Card ---------- */
.premium-auth-card {
    background: var(--pa-card-bg);
    backdrop-filter: blur(24px) saturate(1.6);
    -webkit-backdrop-filter: blur(24px) saturate(1.6);
    border: 1px solid var(--pa-card-border);
    border-radius: var(--pa-radius);
    padding: 48px 40px;
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
    position: relative;
    animation:
        pa-fade-in-up 0.6s ease-out,
        pa-border-glow 6s ease-in-out infinite,
        pa-pulse-glow 4s ease-in-out infinite;
    overflow: hidden;
}

/* Shimmer top line */
.premium-auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg,
            transparent,
            var(--pa-blue),
            var(--pa-gold),
            var(--pa-cyan),
            transparent);
    background-size: 200% 100%;
    animation: pa-shimmer 4s linear infinite;
}

/* Inner subtle glow */
.premium-auth-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 120px;
    background: radial-gradient(ellipse, rgba(30, 144, 255, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

/* Wide card for registration */
.premium-auth-card.wide-card {
    max-width: 780px;
}

/* ---------- Brand Logo ---------- */
.pa-brand {
    text-align: center;
    margin-bottom: 32px;
}

.pa-brand img {
    max-height: 120px;
    width: auto;
    filter: drop-shadow(0 0 15px rgba(212, 175, 55, 0.25));
    transition: var(--pa-transition);
}

.pa-brand img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 0 25px rgba(212, 175, 55, 0.45));
}

.pa-brand-text {
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 1px;
    background: linear-gradient(135deg, var(--pa-blue), var(--pa-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ---------- Typography ---------- */
.pa-heading {
    font-size: 26px;
    font-weight: 700;
    color: var(--pa-white);
    margin-bottom: 8px;
    letter-spacing: -0.3px;
}

.pa-subheading {
    font-size: 14px;
    color: var(--pa-gray);
    margin-bottom: 28px;
    line-height: 1.6;
    font-weight: 400;
}

/* ---------- Form Groups ---------- */
.pa-form-group {
    margin-bottom: 20px;
    position: relative;
}

.pa-form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--pa-gray-light);
    margin-bottom: 8px;
    letter-spacing: 0.3px;
}

/* ---------- Input Fields ---------- */
.pa-input-wrapper {
    position: relative;
}

.pa-input-wrapper .pa-input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--pa-gray-dark);
    font-size: 15px;
    transition: var(--pa-transition);
    pointer-events: none;
    z-index: 2;
}

.pa-input-wrapper .pa-input-icon+.pa-input {
    padding-left: 44px;
}

.pa-input {
    width: 100%;
    padding: 14px 18px;
    background: var(--pa-input-bg);
    border: 1px solid var(--pa-input-border);
    border-radius: var(--pa-radius-sm);
    color: var(--pa-white);
    font-size: 14px;
    font-family: var(--pa-font);
    font-weight: 400;
    transition: var(--pa-transition);
    outline: none;
    position: relative;
    z-index: 1;
}

.pa-input::placeholder {
    color: var(--pa-gray-dark);
    font-weight: 400;
}

.pa-input:hover {
    border-color: rgba(30, 144, 255, 0.25);
    background: rgba(17, 24, 39, 0.9);
}

.pa-input:focus {
    border-color: var(--pa-blue);
    background: rgba(17, 24, 39, 0.95);
    box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.1), 0 0 20px rgba(30, 144, 255, 0.06);
}

.pa-input:focus~.pa-input-icon,
.pa-input:focus+.pa-input-icon {
    color: var(--pa-blue);
}

/* When icon is before input and input gets focus */
.pa-input-wrapper:focus-within .pa-input-icon {
    color: var(--pa-blue);
}

/* Select styling */
.pa-input option {
    background: var(--pa-dark-3);
    color: var(--pa-white);
}

select.pa-input {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8.825L.35 3.175 1.4 2.125 6 6.725l4.6-4.6 1.05 1.05z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

/* ---------- Password Toggle ---------- */
.pa-password-wrapper {
    position: relative;
}

.pa-password-wrapper .pa-input {
    padding-right: 48px;
}

.pa-password-toggle {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--pa-gray-dark);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
    z-index: 2;
    transition: var(--pa-transition);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
}

.pa-password-toggle:hover {
    color: var(--pa-blue);
}

.pa-password-toggle:focus {
    outline: none;
}

.pa-password-toggle i {
    pointer-events: none;
}

/* ---------- Submit Button ---------- */
.pa-btn-submit {
    width: 100%;
    padding: 15px 28px;
    border: none;
    border-radius: var(--pa-radius-pill);
    font-family: var(--pa-font);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: var(--pa-transition);
    color: var(--pa-white);
    background: linear-gradient(135deg, var(--pa-gold) 0%, var(--pa-gold-light) 100%);
    background-size: 200% 200%;
    background-position: left center;
    margin-top: 28px;
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.25);
}

.pa-btn-submit:hover {
    background-position: right center;
    box-shadow: 0 6px 30px rgba(30, 144, 255, 0.35), 0 0 40px rgba(212, 175, 55, 0.15);
    transform: translateY(-2px);
}

.pa-btn-submit:active {
    transform: translateY(0);
    box-shadow: 0 2px 12px rgba(30, 144, 255, 0.2);
}

/* Shimmer on hover */
.pa-btn-submit::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.12), transparent);
    transition: left 0.5s ease;
}

.pa-btn-submit:hover::after {
    left: 100%;
}

/* ---------- Checkbox ---------- */
.pa-checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.pa-checkbox {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--pa-input-border);
    border-radius: 5px;
    background: var(--pa-input-bg);
    cursor: pointer;
    position: relative;
    flex-shrink: 0;
    transition: var(--pa-transition);
}

.pa-checkbox:checked {
    background: linear-gradient(135deg, var(--pa-blue), var(--pa-cyan));
    border-color: var(--pa-blue);
}

.pa-checkbox:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--pa-white);
    font-size: 12px;
    font-weight: 700;
}

.pa-checkbox:focus {
    box-shadow: 0 0 0 3px rgba(30, 144, 255, 0.15);
}

.pa-checkbox-label {
    font-size: 13px;
    color: var(--pa-gray);
    cursor: pointer;
    user-select: none;
}

/* ---------- Form Footer Links ---------- */
.pa-form-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 4px;
}

.pa-link {
    color: var(--pa-blue);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: var(--pa-transition);
    position: relative;
}

.pa-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: linear-gradient(90deg, var(--pa-blue), var(--pa-gold));
    transition: width 0.3s ease;
}

.pa-link:hover {
    color: var(--pa-blue-light);
}

.pa-link:hover::after {
    width: 100%;
}

.pa-link-gold {
    color: var(--pa-gold);
}

.pa-link-gold::after {
    background: linear-gradient(90deg, var(--pa-gold), var(--pa-blue));
}

.pa-link-gold:hover {
    color: var(--pa-gold-light);
}

/* ---------- Footer Text ---------- */
.pa-footer-text {
    text-align: center;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid rgba(30, 144, 255, 0.08);
    font-size: 14px;
    color: var(--pa-gray);
}

.pa-footer-text a {
    color: var(--pa-gold);
    font-weight: 600;
    text-decoration: none;
    transition: var(--pa-transition);
}

.pa-footer-text a:hover {
    color: var(--pa-gold-light);
    text-shadow: 0 0 12px rgba(212, 175, 55, 0.3);
}

/* ---------- Divider ---------- */
.pa-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 24px 0;
    color: var(--pa-gray-dark);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pa-divider::before,
.pa-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--pa-input-border), transparent);
}

/* ---------- Validation Errors ---------- */
.pa-error {
    display: block;
    color: var(--pa-danger);
    font-size: 12px;
    margin-top: 6px;
    padding: 6px 12px;
    background: rgba(239, 68, 68, 0.08);
    border-left: 2px solid var(--pa-danger);
    border-radius: 0 6px 6px 0;
    animation: pa-fade-in-up 0.3s ease;
}

.pa-input.is-invalid {
    border-color: rgba(239, 68, 68, 0.4) !important;
}

/* ---------- Alert Messages ---------- */
.pa-alert {
    padding: 14px 18px;
    border-radius: var(--pa-radius-sm);
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: pa-fade-in-up 0.4s ease;
}

.pa-alert-icon {
    font-size: 16px;
    flex-shrink: 0;
    margin-top: 1px;
}

.pa-alert-success {
    background: rgba(34, 197, 94, 0.08);
    border: 1px solid rgba(34, 197, 94, 0.2);
    color: var(--pa-success);
}

.pa-alert-warning {
    background: rgba(234, 179, 8, 0.08);
    border: 1px solid rgba(234, 179, 8, 0.2);
    color: var(--pa-warning);
}

.pa-alert-danger {
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: var(--pa-danger);
}

.pa-alert .btn-close {
    filter: invert(1);
    opacity: 0.5;
    margin-left: auto;
}

/* ---------- Captcha ---------- */
.pa-captcha-box {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px;
    background: var(--pa-input-bg);
    border: 1px solid var(--pa-input-border);
    border-radius: var(--pa-radius-sm);
}

.pa-captcha-box img {
    border-radius: 6px;
    height: 40px;
}

.pa-captcha-refresh {
    color: var(--pa-blue);
    font-size: 16px;
    cursor: pointer;
    transition: var(--pa-transition);
    padding: 6px;
    border-radius: 6px;
}

.pa-captcha-refresh:hover {
    color: var(--pa-blue-light);
    background: rgba(30, 144, 255, 0.08);
}

/* ---------- Google reCAPTCHA dark override ---------- */
.g-recaptcha {
    transform: scale(0.92);
    transform-origin: left;
}

/* ---------- Info Badge ---------- */
.pa-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--pa-radius-pill);
    font-size: 12px;
    font-weight: 500;
}

.pa-badge-blue {
    background: rgba(30, 144, 255, 0.1);
    color: var(--pa-blue);
    border: 1px solid rgba(30, 144, 255, 0.2);
}

.pa-badge-gold {
    background: rgba(212, 175, 55, 0.1);
    color: var(--pa-gold);
    border: 1px solid rgba(212, 175, 55, 0.2);
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .premium-auth-section {
        padding: 24px 12px;
    }

    .premium-auth-card {
        padding: 32px 24px;
        border-radius: 12px;
    }

    .premium-auth-card.wide-card {
        max-width: 100%;
    }

    .pa-heading {
        font-size: 22px;
    }

    .pa-subheading {
        font-size: 13px;
    }

    .pa-btn-submit {
        padding: 14px 20px;
        font-size: 14px;
    }

    .pa-form-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .auth-page-body::before {
        width: 250px;
        height: 250px;
    }

    .auth-page-body::after {
        width: 200px;
        height: 200px;
    }
}

@media (max-width: 480px) {
    .premium-auth-card {
        padding: 28px 18px;
    }

    .pa-heading {
        font-size: 20px;
    }

    .g-recaptcha {
        transform: scale(0.82);
    }
}

/* ---------- Preloader Override for Auth ---------- */
.auth-page-body #preloader {
    background: var(--pa-black);
}

/* ---------- Utility Classes ---------- */
.pa-mt-0 {
    margin-top: 0 !important;
}

.pa-mb-0 {
    margin-bottom: 0 !important;
}

.pa-mt-12 {
    margin-top: 12px;
}

.pa-mt-20 {
    margin-top: 20px;
}

.pa-mt-24 {
    margin-top: 24px;
}

.pa-text-center {
    text-align: center;
}

.pa-text-gray {
    color: var(--pa-gray);
}

.pa-text-white {
    color: var(--pa-white);
}

.pa-text-sm {
    font-size: 13px;
}