/* ═══════════════════════════════════════════════════════════════════════════════
   Auth Pages — CSS Foundation
   EN: Styles for all auth pages (Login, Register, Forgot Password, Workflows)
   VI: Styles cho tất cả trang xác thực (Đăng nhập, Đăng ký, Quên MK, Workflows)
   Based on: pencil-design/src/pages/tPOS/auth/ tokens
   ═══════════════════════════════════════════════════════════════════════════════ */

/* ═════════════════════════════════════════════════════════════════════════
   1. AUTH-SPECIFIC VARIABLES
   ═════════════════════════════════════════════════════════════════════════ */
:root {
    /* Auth card */
    --auth-card-bg: #111113;
    --auth-card-border: #1F1F23;
    --auth-card-radius: 24px;
    --auth-card-width: 440px;
    --auth-card-padding: 48px;

    /* Auth inputs */
    --auth-input-bg: #0A0A0B;
    --auth-input-border: #2A2A2E;
    --auth-input-border-focus: #FF5C00;
    --auth-input-radius: 12px;
    --auth-input-height: 48px;

    /* Auth CTA colors */
    --auth-cta-blue: #3B82F6;
    --auth-cta-blue-hover: #2563EB;
    --auth-cta-orange: #FF5C00;
    --auth-cta-orange-hover: #E05200;
    --auth-cta-green: #22C55E;
    --auth-cta-green-hover: #16A34A;

    /* Brand panel */
    --auth-brand-orange: linear-gradient(180deg, #FF5C00 0%, #FF8A4C 50%, #FFB347 100%);
    --auth-brand-dark: linear-gradient(135deg, #0A0A0B 0%, #1A1A1D 50%, #0A0A0B 100%);

    /* OTP input */
    --auth-otp-size: 52px;
    --auth-otp-bg: #1A1A1D;
    --auth-otp-border: #2A2A2E;
    --auth-otp-border-focus: #FF5C00;
}

/* ═════════════════════════════════════════════════════════════════════════
   2. AUTH PAGE LAYOUT — Full page containers
   ═════════════════════════════════════════════════════════════════════════ */

/* EN: Centered card layout (admin, staff, forgot-password, workflows) */
/* VI: Layout card giữa trang (admin, staff, quên MK, workflows) */
.auth-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: var(--bg-page);
    padding: 24px;
}

/* EN: Split panel layout (branch, customer, register) */
/* VI: Layout chia đôi (chi nhánh, khách hàng, đăng ký) */
.auth-page--split {
    display: flex;
    min-height: 100vh;
    background-color: var(--bg-page);
    padding: 0;
}

/* ═════════════════════════════════════════════════════════════════════════
   3. AUTH CARD — Central form container
   ═════════════════════════════════════════════════════════════════════════ */
.auth-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    width: 100%;
    max-width: var(--auth-card-width);
    padding: var(--auth-card-padding);
    background-color: var(--auth-card-bg);
    border: 1px solid var(--auth-card-border);
    border-radius: var(--auth-card-radius);
}

.auth-card--compact {
    gap: 28px;
}

.auth-card--transparent {
    background-color: transparent;
    border: none;
    padding: 0;
}

/* ═════════════════════════════════════════════════════════════════════════
   4. AUTH HEADER — Icon + Title + Subtitle
   ═════════════════════════════════════════════════════════════════════════ */
.auth-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
    width: 100%;
}

.auth-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    margin-bottom: 4px;
}

.auth-icon--blue {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--auth-cta-blue);
}

.auth-icon--orange {
    background-color: rgba(255, 92, 0, 0.15);
    color: var(--auth-cta-orange);
}

.auth-icon--green {
    background-color: rgba(34, 197, 94, 0.15);
    color: var(--auth-cta-green);
}

.auth-icon--success {
    background-color: rgba(34, 197, 94, 0.15);
    color: var(--auth-cta-green);
    border-radius: 50%;
}

.auth-icon svg,
.auth-icon .lucide {
    width: 28px;
    height: 28px;
    stroke-width: 2;
    background: none !important;
}

.auth-role-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 14px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.auth-role-badge--blue {
    background-color: rgba(59, 130, 246, 0.15);
    color: var(--auth-cta-blue);
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.auth-role-badge--green {
    background-color: rgba(34, 197, 94, 0.15);
    color: var(--auth-cta-green);
    border: 1px solid rgba(34, 197, 94, 0.25);
}

.auth-heading {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.2;
    margin: 0;
}

.auth-subheading {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
    max-width: 360px;
}

.auth-security-hint {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 0.813rem;
    width: 100%;
}

.auth-security-hint--warning {
    background-color: rgba(255, 92, 0, 0.08);
    border: 1px solid rgba(255, 92, 0, 0.2);
    color: var(--auth-cta-orange);
}

.auth-security-hint--info {
    background-color: rgba(59, 130, 246, 0.08);
    border: 1px solid rgba(59, 130, 246, 0.2);
    color: var(--auth-cta-blue);
}

.auth-security-hint svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    background: none !important;
}

/* ═════════════════════════════════════════════════════════════════════════
   5. AUTH FORM — Inputs, labels, groups
   ═════════════════════════════════════════════════════════════════════════ */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.auth-field {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
}

.auth-label {
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.auth-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.auth-label-link {
    font-size: 0.813rem;
    color: var(--auth-cta-orange);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.auth-label-link:hover {
    color: var(--accent-light);
    text-decoration: underline;
}

.auth-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.auth-input {
    display: flex;
    align-items: center;
    width: 100%;
    height: var(--auth-input-height);
    padding: 0 16px 0 44px;
    background-color: var(--auth-input-bg);
    border: 1px solid var(--auth-input-border);
    border-radius: var(--auth-input-radius);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: var(--font-body);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-input:focus {
    border-color: var(--auth-input-border-focus);
    box-shadow: 0 0 0 3px rgba(255, 92, 0, 0.1);
}

.auth-input::placeholder {
    color: var(--text-disabled);
}

.auth-input--no-icon {
    padding-left: 16px;
}

.auth-input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    pointer-events: none;
}

.auth-input-icon svg {
    width: 18px;
    height: 18px;
    background: none !important;
}

.auth-input-action {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.auth-input-action:hover {
    color: var(--text-primary);
}

.auth-input-action svg {
    width: 18px;
    height: 18px;
    background: none !important;
}

/* EN: Phone input with country code */
/* VI: Input điện thoại với mã quốc gia */
.auth-phone-group {
    display: flex;
    gap: 8px;
    width: 100%;
}

.auth-phone-prefix {
    display: flex;
    align-items: center;
    justify-content: center;
    height: var(--auth-input-height);
    padding: 0 14px;
    background-color: var(--auth-input-bg);
    border: 1px solid var(--auth-input-border);
    border-radius: var(--auth-input-radius);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    min-width: 70px;
}

.auth-phone-input {
    flex: 1;
    height: var(--auth-input-height);
    padding: 0 16px;
    background-color: var(--auth-input-bg);
    border: 1px solid var(--auth-input-border);
    border-radius: var(--auth-input-radius);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: var(--font-body);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-phone-input:focus {
    border-color: var(--auth-input-border-focus);
    box-shadow: 0 0 0 3px rgba(255, 92, 0, 0.1);
}

.auth-phone-input::placeholder {
    color: var(--text-disabled);
}

/* EN: Checkbox + Terms group */
/* VI: Group checkbox + Điều khoản */
.auth-checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.813rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.auth-checkbox-row input[type="checkbox"] {
    appearance: none;
    width: 18px;
    height: 18px;
    border: 1px solid var(--auth-input-border);
    border-radius: 4px;
    background-color: var(--auth-input-bg);
    flex-shrink: 0;
    cursor: pointer;
    margin-top: 2px;
    position: relative;
}

.auth-checkbox-row input[type="checkbox"]:checked {
    background-color: var(--auth-cta-orange);
    border-color: var(--auth-cta-orange);
}

.auth-checkbox-row input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: 700;
}

.auth-checkbox-row a {
    color: var(--auth-cta-orange);
    text-decoration: none;
}

.auth-checkbox-row a:hover {
    text-decoration: underline;
}

/* ═════════════════════════════════════════════════════════════════════════
   6. AUTH BUTTON — CTA variants
   ═════════════════════════════════════════════════════════════════════════ */
.auth-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    height: 48px;
    border: none;
    border-radius: var(--auth-input-radius);
    font-size: 0.938rem;
    font-weight: 600;
    font-family: var(--font-body);
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
}

.auth-btn:hover {
    transform: translateY(-1px);
}

.auth-btn:active {
    transform: translateY(0);
}

.auth-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.auth-btn svg {
    width: 18px;
    height: 18px;
    background: none !important;
}

.auth-btn--orange {
    background-color: var(--auth-cta-orange);
    color: white;
}

.auth-btn--orange:hover:not(:disabled) {
    background-color: var(--auth-cta-orange-hover);
    box-shadow: 0 4px 16px rgba(255, 92, 0, 0.3);
}

.auth-btn--blue {
    background-color: var(--auth-cta-blue);
    color: white;
}

.auth-btn--blue:hover:not(:disabled) {
    background-color: var(--auth-cta-blue-hover);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.3);
}

.auth-btn--green {
    background-color: var(--auth-cta-green);
    color: white;
}

.auth-btn--green:hover:not(:disabled) {
    background-color: var(--auth-cta-green-hover);
    box-shadow: 0 4px 16px rgba(34, 197, 94, 0.3);
}

.auth-btn--outline {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--auth-card-border);
}

.auth-btn--outline:hover:not(:disabled) {
    background-color: var(--bg-elevated);
    box-shadow: none;
}

.auth-btn--ghost {
    background-color: transparent;
    color: var(--text-secondary);
    height: auto;
    padding: 8px 16px;
}

.auth-btn--ghost:hover:not(:disabled) {
    color: var(--text-primary);
    box-shadow: none;
}

/* ═════════════════════════════════════════════════════════════════════════
   7. BRAND PANEL — Left panel for split layouts
   ═════════════════════════════════════════════════════════════════════════ */
.auth-brand-panel {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 80px;
    min-height: 100vh;
}

.auth-brand-panel--orange {
    background: var(--auth-brand-orange);
    width: 640px;
    flex-shrink: 0;
}

.auth-brand-panel--dark {
    background: var(--auth-brand-dark);
    width: 800px;
    flex-shrink: 0;
}

.auth-brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background-color: rgba(255, 255, 255, 0.15);
    font-size: 2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 24px;
}

.auth-brand-panel--dark .auth-brand-logo {
    background-color: var(--auth-cta-orange);
}

.auth-brand-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: white;
    text-align: center;
    margin: 0 0 12px 0;
}

.auth-brand-desc {
    font-size: 0.938rem;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    line-height: 1.6;
    max-width: 400px;
    margin: 0 0 40px 0;
}

/* EN: Trust stats row */
/* VI: Hàng thống kê tin cậy */
.auth-brand-stats {
    display: flex;
    gap: 40px;
    margin-top: 24px;
}

.auth-brand-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.auth-brand-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.auth-brand-stat-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: capitalize;
}

/* EN: Feature list on brand panel */
/* VI: Danh sách tính năng trên brand panel */
.auth-brand-features {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 20px;
}

.auth-brand-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.85);
}

.auth-brand-feature svg {
    width: 16px;
    height: 16px;
    color: var(--auth-cta-orange);
    background: none !important;
}

/* EN: Auth panel (right side) */
/* VI: Panel xác thực (bên phải) */
.auth-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-height: 100vh;
    padding: 60px;
    background-color: var(--bg-surface);
}

.auth-form-panel .auth-card {
    background: transparent;
    border: none;
    padding: 0;
    max-width: 400px;
}

/* ═════════════════════════════════════════════════════════════════════════
   8. SOCIAL LOGIN — Google, Apple, Zalo buttons
   ═════════════════════════════════════════════════════════════════════════ */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    font-size: 0.813rem;
    color: var(--text-tertiary);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--border-subtle);
}

.auth-social-group {
    display: flex;
    gap: 12px;
    justify-content: center;
}

.auth-social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 52px;
    height: 52px;
    border-radius: 14px;
    border: 1px solid var(--auth-card-border);
    background-color: var(--bg-elevated);
    cursor: pointer;
    transition: border-color 0.2s, background-color 0.2s;
}

.auth-social-btn:hover {
    border-color: var(--border-strong);
    background-color: var(--bg-interactive);
}

.auth-social-btn--google {
    color: #FF5C00;
    font-weight: 700;
    font-size: 1.25rem;
}

.auth-social-btn--apple {
    color: white;
    font-size: 1.25rem;
}

.auth-social-btn--zalo {
    background-color: #0068FF;
    border-color: #0068FF;
    color: white;
    font-weight: 700;
    font-size: 0.875rem;
}

.auth-social-btn--zalo:hover {
    background-color: #0054cc;
    border-color: #0054cc;
}

/* ═════════════════════════════════════════════════════════════════════════
   9. OTP INPUT — 6-digit code boxes
   ═════════════════════════════════════════════════════════════════════════ */
.auth-otp-group {
    display: flex;
    gap: 10px;
    justify-content: center;
    width: 100%;
}

.auth-otp-input {
    width: var(--auth-otp-size);
    height: var(--auth-otp-size);
    text-align: center;
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--auth-otp-bg);
    border: 1px solid var(--auth-otp-border);
    border-radius: 12px;
    outline: none;
    font-family: var(--font-body);
    transition: border-color 0.2s, box-shadow 0.2s;
    caret-color: var(--auth-cta-orange);
}

.auth-otp-input:focus {
    border-color: var(--auth-otp-border-focus);
    box-shadow: 0 0 0 3px rgba(255, 92, 0, 0.1);
}

.auth-otp-input--filled {
    border-color: var(--auth-cta-orange);
    background-color: rgba(255, 92, 0, 0.05);
}

.auth-otp-input--blue:focus {
    border-color: var(--auth-cta-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.auth-otp-input--blue.auth-otp-input--filled {
    border-color: var(--auth-cta-blue);
    background-color: rgba(59, 130, 246, 0.05);
}

/* ═════════════════════════════════════════════════════════════════════════
   10. PASSWORD STRENGTH — Checklist
   ═════════════════════════════════════════════════════════════════════════ */
.auth-strength {
    display: flex;
    flex-direction: column;
    gap: 8px;
    width: 100%;
    padding: 14px 16px;
    background-color: var(--bg-page);
    border: 1px solid var(--auth-card-border);
    border-radius: 12px;
}

.auth-strength-title {
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.auth-strength-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.813rem;
    color: var(--text-tertiary);
}

.auth-strength-item--pass {
    color: var(--auth-cta-green);
}

.auth-strength-item svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    background: none !important;
}

/* ═════════════════════════════════════════════════════════════════════════
   11. AUTH FOOTER — Links, navigation, timer
   ═════════════════════════════════════════════════════════════════════════ */
.auth-footer {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    text-align: center;
    width: 100%;
}

.auth-footer-text {
    font-size: 0.813rem;
    color: var(--text-tertiary);
}

.auth-footer-text a,
.auth-footer-link {
    color: var(--auth-cta-orange);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
}

.auth-footer-text a:hover,
.auth-footer-link:hover {
    text-decoration: underline;
}

.auth-footer-link--blue {
    color: var(--auth-cta-blue);
}

.auth-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.813rem;
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color 0.2s;
    align-self: flex-start;
}

.auth-back-link:hover {
    color: var(--text-primary);
}

.auth-back-link svg {
    width: 14px;
    height: 14px;
    background: none !important;
}

/* Timer */
.auth-timer {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.813rem;
    color: var(--text-tertiary);
}

.auth-timer svg {
    width: 14px;
    height: 14px;
    background: none !important;
}

.auth-timer-value {
    color: var(--auth-cta-orange);
    font-weight: 600;
}

/* EN: Highlighted email in confirmations */
/* VI: Email highlight trong xác nhận */
.auth-highlight {
    color: var(--auth-cta-orange);
    font-weight: 500;
}

/* ═════════════════════════════════════════════════════════════════════════
   12. ROLE HINTS — Staff login role section
   ═════════════════════════════════════════════════════════════════════════ */
.auth-role-hints {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding-top: 40px;
}

.auth-role-hints-title {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.auth-role-list {
    display: flex;
    gap: 16px;
    align-items: center;
}

.auth-role-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.813rem;
    color: var(--text-secondary);
}

.auth-role-item svg {
    width: 16px;
    height: 16px;
    background: none !important;
    color: var(--text-tertiary);
}

/* EN: Disclaimer text */
/* VI: Ghi chú điều khoản */
.auth-disclaimer {
    font-size: 0.688rem;
    color: var(--text-disabled);
    text-align: center;
    line-height: 1.5;
    max-width: 360px;
    margin-top: 8px;
}

.auth-disclaimer a {
    color: var(--text-tertiary);
    text-decoration: underline;
}

/* ═════════════════════════════════════════════════════════════════════════
   13. RESPONSIVE — Tablet & Mobile
   ═════════════════════════════════════════════════════════════════════════ */

/* EN: Tablet (768px) */
/* VI: Tablet (768px) */
@media (max-width: 768px) {
    .auth-page--split {
        flex-direction: column;
    }

    .auth-brand-panel--orange,
    .auth-brand-panel--dark {
        width: 100%;
        min-height: auto;
        padding: 40px 24px;
    }

    .auth-brand-stats {
        gap: 24px;
    }

    .auth-brand-stat-value {
        font-size: 1.25rem;
    }

    .auth-brand-features {
        display: none;
    }

    .auth-form-panel {
        min-height: auto;
        padding: 40px 24px;
    }

    .auth-card {
        padding: 32px;
    }
}

/* EN: Mobile (480px) */
/* VI: Di động (480px) */
@media (max-width: 480px) {
    .auth-page {
        padding: 16px;
    }

    .auth-page--split {
        flex-direction: column;
    }

    .auth-brand-panel--orange,
    .auth-brand-panel--dark {
        width: 100%;
        min-height: auto;
        padding: 24px 20px;
        flex-direction: row;
        gap: 12px;
        justify-content: flex-start;
    }

    .auth-brand-logo {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        font-size: 1.125rem;
        margin-bottom: 0;
    }

    .auth-brand-title {
        font-size: 1rem;
        text-align: left;
        margin: 0;
    }

    .auth-brand-desc,
    .auth-brand-stats,
    .auth-brand-features {
        display: none;
    }

    .auth-form-panel {
        padding: 24px 20px;
    }

    .auth-card {
        padding: 24px;
        border-radius: 16px;
        gap: 24px;
    }

    .auth-heading {
        font-size: 1.375rem;
    }

    .auth-icon {
        width: 56px;
        height: 56px;
    }

    .auth-otp-input {
        width: 44px;
        height: 44px;
        font-size: 1.125rem;
    }

    .auth-role-list {
        flex-wrap: wrap;
        justify-content: center;
        gap: 10px;
    }

    .auth-social-btn {
        width: 48px;
        height: 48px;
    }
}