:root {
    --primary-blue: var(--w5obm-primary);
    --secondary-blue: var(--w5obm-secondary);
    --accent-gold: var(--w5obm-accent-gold);
    --login-purple: #6f42c1;
    --dark-gray: #2c3e50;
    --light-gray: #f8f9fa;
    --success-green: var(--color-success);
    --warning-orange: var(--color-warning);
    --danger-red: var(--color-danger);
    --login-alert-danger-bg: color-mix(in srgb, var(--danger-red) 14%, var(--color-white));
    --login-alert-danger-text: #8b1e2b;
    --login-alert-warning-bg: color-mix(in srgb, var(--warning-orange) 18%, var(--color-white));
    --login-alert-warning-text: #7a4e00;
    --login-alert-success-bg: color-mix(in srgb, var(--success-green) 14%, var(--color-white));
    --login-alert-success-text: #146c43;
    --login-security-surface: var(--bs-tertiary-bg, var(--light-gray));
    --login-security-text: var(--bs-body-color, var(--dark-gray));
}

/* Login page specific background */
body {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    min-height: 100vh;
}

/* Mobile-first container per guidelines */
.page-container {
    max-width: 100%;
    margin: 10px;
    padding: 15px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Tablet styles per guidelines */
@media (min-width: 768px) {
    .page-container {
        max-width: 90%;
        margin: 20px auto;
        padding: 20px;
    }
}

/* Desktop styles per guidelines */
@media (min-width: 992px) {
    .page-container {
        max-width: 80%;
        margin: 30px auto;
        padding: 30px;
    }
}

/* Large desktop per guidelines */
@media (min-width: 1200px) {
    .page-container {
        max-width: 70%;
    }
}

/* Standards-compliant login card following card design standards */
.login-card {
    background: white;
    border: none;
    border-radius: 12px;
    box-shadow: 0 2px 4px #0000001A;
    overflow: hidden;
    max-width: 500px;
    width: 100%;
    margin-bottom: 20px;
}

.login-header {
    background: linear-gradient(135deg, var(--theme-accent-primary) 0%, var(--theme-accent-secondary) 100%);
    color: white;
    padding: 2.5rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-radius: 12px 12px 0 0 !important;
    border-bottom: 1px solid #00000020;
}

.login-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 100%;
    height: 200%;
    background: #FFFFFF1A;
    transform: rotate(45deg);
}

.login-header-content {
    position: relative;
    z-index: 2;
}

.login-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--accent-gold), #FFC700);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    box-shadow: 0 10px 20px #FFD7004C;
}

.login-body {
    padding: 2.5rem;
}

/* Form controls per standards - using form-control-lg sizing */
.form-control {
    border-radius: 0.5rem;
    border: 2px solid #e9ecef;
    padding: 0.875rem 1rem;
    font-size: 1.125rem;
    height: calc(2.875rem + 2px);
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--login-purple);
    box-shadow: 0 0 0 0.2rem #6F42C140;
    outline: none;
}

.form-label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--dark-gray);
}

/* Button standards - btn-primary btn-lg */
.btn-login {
    background: linear-gradient(135deg, var(--theme-accent-primary) 0%, var(--theme-accent-secondary) 100%);
    color: white;
    border: none;
    border-radius: 0.5rem;
    padding: 0.875rem 1rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-width: 2px !important;
    transition: all 0.3s ease;
    width: 100%;
    cursor: pointer;
}

.btn-login:hover {
    background: linear-gradient(135deg, var(--theme-accent-secondary) 0%, var(--theme-accent-primary) 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 8px #00000026;
    color: white;
}

.btn-login:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Action button styles per standards */
.action-button {
    font-weight: 600;
    border-width: 2px !important;
    transition: all 0.3s ease;
}

.action-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px #00000026;
}

.input-group-text {
    background: var(--light-gray);
    border: 2px solid #e9ecef;
    border-left: none;
    border-radius: 0 0.5rem 0.5rem 0;
    cursor: pointer;
    height: calc(2.875rem + 2px);
    padding: 0.875rem 1rem;
    font-size: 1.125rem;
}

.input-group .form-control {
    border-right: none;
    border-radius: 0.5rem 0 0 0.5rem;
}

/* Alert styling per guidelines */
.alert {
    border: none;
    border-radius: 15px;
    border-left: 5px solid;
    margin-bottom: 1rem;
}

.alert-danger {
    border-left-color: var(--danger-red);
    background-color: var(--login-alert-danger-bg);
    color: var(--login-alert-danger-text);
}

.alert-warning {
    border-left-color: var(--warning-orange);
    background-color: var(--login-alert-warning-bg);
    color: var(--login-alert-warning-text);
}

.alert-success {
    border-left-color: var(--success-green);
    background-color: var(--login-alert-success-bg);
    color: var(--login-alert-success-text);
}

/* Accessibility improvements */
.login-links {
    text-align: center;
    margin-top: 1.5rem;
}

.login-links a {
    color: var(--login-purple);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.login-links a:hover,
.login-links a:focus {
    color: var(--secondary-blue);
    text-decoration: underline;
}

.security-badge {
    background: var(--login-security-surface);
    border-radius: 15px;
    padding: 1rem;
    text-align: center;
    color: var(--login-security-text);
    font-size: 0.9rem;
}

/* Mobile responsive adjustments per guidelines */
@media (max-width: 768px) {
    .page-container {
        padding: 1rem;
    }

    .login-body {
        padding: 2rem 1.5rem;
    }

    .login-header {
        padding: 2rem 1.5rem;
    }

    .login-logo {
        width: 60px;
        height: 60px;
    }
}

/* Focus indicators for accessibility per standards */
.form-check-input:focus {
    box-shadow: 0 0 0 0.2rem #0D6EFD40;
}

.btn:focus,
.action-button:focus {
    box-shadow: 0 0 0 0.2rem #0D6EFD40;
}

.form-control:focus {
    border-color: var(--theme-accent-primary);
    box-shadow: 0 0 0 0.2rem #0D6EFD40;
    outline: none;
}

/* Theme-token contrast alignment */
@layer w5obmLoginContrast {
    :root {
        --login-surface: var(--bs-body-bg, #ffffff);
        --login-surface-alt: var(--bs-tertiary-bg, #f8f9fa);
        --login-text: var(--bs-emphasis-color, var(--bs-body-color, #212529));
        --login-text-muted: var(--bs-secondary-color, #6c757d);
        --login-border: var(--bs-border-color, #dee2e6);
        --login-on-dark: var(--bs-light, #f8fafc);
        --login-primary-button-bg: linear-gradient(135deg, var(--theme-accent-primary) 0%, var(--theme-accent-secondary) 100%);
        --login-primary-button-bg-hover: linear-gradient(135deg, var(--theme-accent-secondary) 0%, var(--theme-accent-primary) 100%);
        --login-primary-button-text: var(--w5obm-readable-emphasis-on-dark, var(--hero-text-primary, #ffffff));
        --login-success-button-text: var(--w5obm-readable-emphasis-on-dark, #ffffff);
        --login-outline-button-text: var(--theme-accent-primary, var(--w5obm-primary, #0d6efd));
    }

    [data-bs-theme="dark"],
    .theme-dark,
    .dark-theme,
    .dark-mode,
    body.dark,
    html.dark,
    [data-w5obm-theme="w5obm_navy"] {
        --login-surface: var(--bs-body-bg, #0f172a);
        --login-surface-alt: var(--bs-secondary-bg, #1e293b);
        --login-text: var(--bs-emphasis-color, #f8fafc);
        --login-text-muted: var(--bs-secondary-color, #cbd5e1);
        --login-border: var(--bs-border-color, #FFFFFF38);
        --login-on-dark: var(--bs-light, #f8fafc);
    }

    .login-card,
    .security-badge,
    .form-control,
    .input-group-text {
        background: var(--login-surface);
        color: var(--login-text);
        border-color: var(--login-border);
    }

    .form-label,
    .login-links a,
    .security-badge,
    .alert,
    .form-control,
    .input-group-text {
        color: var(--login-text);
    }

    .login-header,
    .btn-login,
    .btn-login:hover {
        color: var(--login-on-dark);
    }

    .authentication-login-modern .login-header :is(h1, h2, h3, h4, h5, h6, p, small, span, strong, i, svg),
    .authentication-login-modern .login-header-content :is(h1, h2, h3, h4, h5, h6, p, small, span, strong, i, svg) {
        color: var(--login-on-dark) !important;
        background-image: none !important;
        -webkit-background-clip: initial !important;
        background-clip: initial !important;
        -webkit-text-fill-color: currentColor !important;
        text-shadow: none !important;
    }

    .authentication-login-modern .login-card .action-button.btn-primary,
    .authentication-login-modern .login-card .action-button.btn-primary:hover,
    .authentication-login-modern .login-card .action-button.btn-primary:focus,
    .authentication-login-modern .login-card .action-button.btn-primary:active {
        background: var(--login-primary-button-bg) !important;
        border-color: transparent !important;
        color: var(--login-primary-button-text) !important;
    }

    .authentication-login-modern .login-card .action-button.btn-primary:hover,
    .authentication-login-modern .login-card .action-button.btn-primary:focus,
    .authentication-login-modern .login-card .action-button.btn-primary:active {
        background: var(--login-primary-button-bg-hover) !important;
    }

    .authentication-login-modern .login-card .btn-success,
    .authentication-login-modern .login-card .btn-success:hover,
    .authentication-login-modern .login-card .btn-success:focus,
    .authentication-login-modern .login-card .btn-success:active {
        color: var(--login-success-button-text) !important;
    }

    .authentication-login-modern .login-card .btn-outline-primary {
        color: var(--login-outline-button-text) !important;
    }

    .authentication-login-modern .login-card .btn-outline-primary:hover,
    .authentication-login-modern .login-card .btn-outline-primary:focus,
    .authentication-login-modern .login-card .btn-outline-primary:active {
        color: var(--login-primary-button-text) !important;
    }

    .authentication-login-modern .login-card :is(.action-button.btn-primary, .btn-success, .btn-outline-primary) :is(i, svg),
    .authentication-login-modern .login-card :is(.action-button.btn-primary, .btn-success, .btn-outline-primary)::before {
        color: currentColor !important;
    }

    .alert-warning,
    .alert-success,
    .alert-danger {
        color: var(--login-text);
    }

    .form-control::placeholder {
        color: var(--login-text-muted);
        opacity: 1;
    }
}