/* ======================================================
   Login Page - HCMUS EMIS
   Layout: Left bg.jpg panel | Right white form panel
   Brand: Blue (#1565C0), Navy (#0A1628), Amber (#E8A317)
   ====================================================== */

:root {
    --login-primary: #1565C0;
    --login-primary-dark: #0d3a75;
    --login-accent: #E8A317;
    --login-navy: #0A1628;
    --login-text: #1e293b;
    --login-text-muted: #64748b;
    --login-border: #e2e8f0;
    --login-bg: #ffffff;
    --login-disabled: #9ca3af;
    --login-hover-bg: #f1f5f9;
    --login-error: #ef4444;
    --login-error-bg: #fef2f2;
    --login-error-border: #fecaca;
    --login-error-text: #991b1b;
    --login-input-bg: #f8fafc;
    --login-input-hover: #cbd5e1;
    --login-placeholder: #64748b;
}

/* ============ Base ============ */

body.login-page {
    margin: 0;
    padding: 0;
    min-height: 100vh;
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    overflow-x: hidden;
    background: var(--login-bg);
}

/* ============ Wrapper ============ */

.login-wrapper {
    display: flex;
    min-height: 100vh;
}

/* ============ Left: Background Image Panel ============ */

.bg-panel {
    flex: 1;
    position: relative;
    background: url('/assets/media/auth/hbxlc-bg.jpg') center center / cover no-repeat;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 2.5rem;
    min-height: 100vh;
}

/* Dark overlay */
.bg-panel::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
            rgba(10, 22, 40, 0.45) 0%,
            rgba(10, 22, 40, 0.15) 40%,
            rgba(10, 22, 40, 0.55) 100%);
    z-index: 1;
}

.bg-panel>* {
    position: relative;
    z-index: 2;
}

/* Header: company name */
.bg-panel-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #ffffff;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
}

.bg-panel-header i {
    font-size: 1.5rem;
    color: var(--login-accent);
    background: rgba(10, 22, 40, 0.45);
    padding: 0.45rem;
    border-radius: 10px;
    backdrop-filter: blur(4px);
}

/* Footer: slogan */
.bg-panel-footer {
    max-width: 550px;
}

.bg-slogan {
    font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;
    font-size: 2.6rem;
    font-weight: 700;
    font-style: italic;
    color: #ffffff;
    line-height: 1.25;
    margin: 0;
    text-wrap: balance;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

/* ============ Right: Form Panel ============ */

.form-panel {
    flex: 0 0 520px;
    background: var(--login-bg);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}

.form-panel-inner {
    display: flex;
    flex-direction: column;
    flex: 1;
    padding: 3rem 3.5rem 1.5rem;
    max-width: 100%;
}

.form-content {
    margin: auto 0;
}

/* ============ Logo ============ */

.form-logo {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--login-border);
    text-align: center;
}

.form-logo a {
    display: inline-block;
}

.form-logo img {
    height: 64px;
    width: auto;
}

.form-logo-subtitle {
    margin: 0.6rem 0 0;
    font-size: 0.85rem;
    color: var(--login-text-muted);
    letter-spacing: 0.02em;
}

.form-logo-name {
    margin: 0.4rem 0 0;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--login-navy);
}

/* ============ Form Fields ============ */

.login-form {
    width: 100%;
}

.form-field {
    margin-bottom: 1.25rem;
}

.form-field-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--login-text);
    margin-bottom: 0.5rem;
}

.input-wrapper {
    position: relative;
}

body.login-page .input-wrapper .form-control {
    background: var(--login-input-bg);
    border: 1px solid var(--login-border);
    border-radius: 10px;
    color: var(--login-text);
    font-size: 0.9rem;
    padding: 0.85rem 1rem 0.85rem 2.8rem;
    transition: all 0.2s ease;
    height: auto;
    width: 100%;
    box-sizing: border-box;
}

body.login-page .input-wrapper .form-control#passwordInput {
    padding-right: 2.8rem;
}

.input-wrapper .form-control::placeholder {
    color: var(--login-placeholder);
}

.input-wrapper .form-control:hover:not(:focus) {
    border-color: var(--login-input-hover);
}

body.login-page .input-wrapper .form-control:focus {
    background: var(--login-bg);
    border-color: var(--login-primary);
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.12);
    outline: none;
}

.input-wrapper .form-control.is-invalid {
    border-color: var(--login-error);
}

.input-wrapper .toggle-eye {
    position: absolute;
    top: 50%;
    right: 0.5rem;
    transform: translateY(-50%);
    color: var(--login-text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    z-index: 2;
    transition: color 0.2s;
    background: none;
    border: none;
    padding: 8px;
    line-height: 1;
}

.input-wrapper .toggle-eye:hover {
    color: var(--login-text);
}

.field-error {
    display: block;
    color: var(--login-error);
    font-size: 0.8rem;
    margin-top: 0.3rem;
}

/* ============ Error Alert ============ */

.login-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    background: var(--login-error-bg);
    border: 1px solid var(--login-error-border);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1.25rem;
    color: var(--login-error-text);
    font-size: 0.85rem;
}

.login-alert strong {
    display: block;
    margin-bottom: 0.3rem;
}

.login-alert ul {
    margin: 0;
    padding-left: 1.2rem;
}

/* ============ Submit Button ============ */

.btn-login {
    width: 100%;
    padding: 0.9rem;
    border: none;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: #ffffff;
    background: var(--login-primary);
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    margin-top: 0.5rem;
}

.btn-login:hover {
    background: var(--login-primary-dark);
    color: #ffffff;
    box-shadow: 0 4px 16px rgba(13, 58, 117, 0.35);
    transform: translateY(-1px);
}

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

.btn-login:disabled,
.btn-login[data-kt-indicator="on"] {
    background: var(--login-disabled);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* ============ Footer ============ */

.form-footer {
    margin-top: auto;
    padding-top: 1.5rem;
    border-top: 1px solid var(--login-border);
}

.form-footer .footer-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.form-footer .btn-lang {
    color: var(--login-text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.35rem 0.6rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.form-footer .btn-lang:hover {
    color: var(--login-text);
    background: var(--login-hover-bg);
}

.form-footer .footer-links {
    display: flex;
    gap: 1rem;
}

.form-footer .footer-links a {
    color: var(--login-text-muted);
    font-size: 0.8rem;
    text-decoration: none;
    transition: color 0.2s;
    white-space: nowrap;
}

.form-footer .footer-links a:hover {
    color: var(--login-primary);
}

/* ============ Brand Stripe ============ */

.brand-stripe {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 8px;
    background: linear-gradient(90deg,
            var(--login-navy) 0%, var(--login-navy) 33%,
            var(--login-primary) 33%, var(--login-primary) 66%,
            var(--login-accent) 66%, var(--login-accent) 100%);
    z-index: 10;
}

/* ============ Responsive ============ */

@media (max-width: 991px) {
    .login-wrapper {
        flex-direction: column;
    }

    .bg-panel {
        min-height: 220px;
        padding: 2rem 1.5rem;
    }

    .bg-slogan {
        font-size: 1.8rem;
    }

    .form-panel {
        flex: 1 1 auto;
        width: 100%;
    }

    .form-panel-inner {
        padding: 2rem 1.5rem 1.5rem;
    }
}

@media (max-width: 767px) {
    .bg-panel {
        min-height: 180px;
        padding: 1.5rem 1rem;
    }

    .bg-slogan {
        font-size: 1.5rem;
    }

    .bg-panel-header {
        font-size: 0.8rem;
    }

    .form-panel-inner {
        padding: 1.5rem 1rem 1rem;
    }

    .form-logo img {
        height: 48px;
    }
}

@media (max-width: 575px) {
    .bg-panel {
        display: none;
    }

    .form-panel {
        min-height: 100vh;
    }

    .form-panel-inner {
        padding: 2rem 1.25rem 1rem;
    }

    .form-footer .footer-row {
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: center;
    }
}

@media (min-width: 1600px) {
    .form-panel {
        flex: 0 0 560px;
    }
}

/* ============ Focus Visible ============ */

.toggle-eye:focus-visible,
.form-footer .btn-lang:focus-visible,
.form-footer .footer-links a:focus-visible {
    outline: 2px solid var(--login-primary);
    outline-offset: 2px;
    border-radius: 4px;
}

.btn-login:focus-visible {
    outline: 2px solid var(--login-primary);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(21, 101, 192, 0.15);
}

/* ============ Reduced motion ============ */

@media (prefers-reduced-motion: reduce) {
    .btn-login {
        transition: none;
    }
}

/* ============ Keenthemes Overrides ============ */

body.login-page #kt_auth_lang_menu {
    background: var(--login-bg);
    border: 1px solid var(--login-border);
    border-radius: 10px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

body.login-page #kt_auth_lang_menu .menu-link {
    color: var(--login-text);
    border-radius: 6px;
    font: inherit;
    cursor: pointer;
}

body.login-page #kt_auth_lang_menu .menu-link:hover {
    background: var(--login-hover-bg);
    color: var(--login-primary);
}

.indicator-progress .spinner-border {
    border-color: rgba(255, 255, 255, 0.3);
    border-right-color: #fff;
}

/* ============ Đăng ký thí sinh: form nhiều trường ============ */

@media (min-width: 992px) {
    .form-panel.form-panel-wide {
        flex: 0 0 760px;
    }
}

@media (min-width: 1600px) {
    .form-panel.form-panel-wide {
        flex: 0 0 860px;
    }
}

.form-section-title {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--login-primary);
    margin: 0.5rem 0 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--login-border);
}

body.login-page .select2-container--bootstrap5 .select2-selection {
    background-color: var(--login-input-bg);
    border: 1px solid var(--login-border);
    border-radius: 10px;
    min-height: 48px;
    padding: 0.7rem 1rem;
    font-size: 0.9rem;
    color: var(--login-text);
}

body.login-page .select2-container--bootstrap5.select2-container--focus .select2-selection,
body.login-page .select2-container--bootstrap5.select2-container--open .select2-selection {
    background-color: var(--login-bg);
    border-color: var(--login-primary);
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.12);
}

body.login-page .form-select.is-invalid + .select2-container .select2-selection {
    border-color: var(--login-error);
}

body.login-page .form-check-input.is-invalid {
    border-color: var(--login-error);
}