/* ============================================
   Corvanta - Modern Login Page Styles
   Professional, Clean, Fully Responsive
   ============================================ */

/* CSS Variables */
:root {
    --login-primary: #2563eb;
    --login-primary-hover: #1d4ed8;
    --login-primary-light: #eff6ff;
    --login-secondary: #64748b;
    --login-text: #1e293b;
    --login-text-muted: #64748b;
    --login-border: #e2e8f0;
    --login-bg: #f8fafc;
    --login-white: #ffffff;
    --login-success: #10b981;
    --login-error: #ef4444;
    --login-warning: #f59e0b;
    --login-gradient-start: #1e40af;
    --login-gradient-end: #3b82f6;
    --login-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --login-shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);
    --login-radius: 12px;
    --login-radius-sm: 8px;
    --login-transition: all 0.2s ease;
}

/* ============================================
   Page Layout - Split Screen Design
   ============================================ */
.login-page {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    background: var(--login-white);
}

/* ============================================
   Left Panel - Branding Section
   ============================================ */
.login-branding {
    background: linear-gradient(135deg, var(--login-gradient-start) 0%, var(--login-gradient-end) 100%);
    padding: 60px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.branding-content {
    position: relative;
    z-index: 2;
    max-width: 480px;
}

/* Logo */
.brand-logo {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 60px;
}

.brand-logo svg {
    flex-shrink: 0;
}

.brand-name {
    font-size: 28px;
    font-weight: 700;
    color: white;
    letter-spacing: -0.02em;
}

/* Tagline */
.brand-tagline {
    margin-bottom: 50px;
}

.brand-tagline h1 {
    font-size: 42px;
    font-weight: 700;
    color: white;
    line-height: 1.2;
    margin: 0 0 20px 0;
    letter-spacing: -0.02em;
}

.brand-tagline p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
    margin: 0;
}

/* Features */
.brand-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 50px;
}

.brand-feature {
    display: flex;
    align-items: flex-start;
    gap: 16px;
}

.brand-feature .feature-icon {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.brand-feature .feature-text {
    padding-top: 2px;
}

.brand-feature .feature-text strong {
    display: block;
    font-size: 16px;
    font-weight: 600;
    color: white;
    margin-bottom: 4px;
}

.brand-feature .feature-text span {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.5;
}

/* Trust Badges */
.trust-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
}

.trust-badge svg {
    color: rgba(255, 255, 255, 0.9);
}

/* Decorative Elements */
.brand-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
}

.decoration-circle-1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -100px;
}

.decoration-circle-2 {
    width: 300px;
    height: 300px;
    bottom: -50px;
    left: -50px;
}

.decoration-circle-3 {
    width: 200px;
    height: 200px;
    bottom: 30%;
    right: 10%;
}

/* ============================================
   Right Panel - Form Section
   ============================================ */
.login-form-panel {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    background: var(--login-white);
}

.login-form-wrapper {
    width: 100%;
    max-width: 420px;
}

/* Mobile Logo (hidden on desktop) */
.mobile-logo {
    display: none;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
}

.mobile-logo span {
    font-size: 24px;
    font-weight: 700;
    color: var(--login-text);
    letter-spacing: -0.02em;
}

/* Login Header */
.login-header {
    text-align: center;
    margin-bottom: 36px;
}

.login-header h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--login-text);
    margin: 0 0 10px 0;
    letter-spacing: -0.02em;
}

.login-header p {
    font-size: 16px;
    color: var(--login-text-muted);
    margin: 0;
}

/* ============================================
   Alerts
   ============================================ */
.alert {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--login-radius-sm);
    margin-bottom: 24px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
}

.alert-error,
.alert-danger {
    background: #fef2f2;
    border: 1px solid #fecaca;
}

.alert-info,
.alert-warning {
    background: var(--login-primary-light);
    border: 1px solid #bfdbfe;
}

.alert-icon {
    flex-shrink: 0;
}

.alert-message {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: var(--login-text);
    line-height: 1.4;
}

.alert-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--login-secondary);
    padding: 4px;
    display: flex;
    opacity: 0.6;
    transition: opacity 0.2s;
}

.alert-close:hover {
    opacity: 1;
}

/* ============================================
   Form Styles
   ============================================ */
.login-form {
    margin-bottom: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group.remember-group {
    margin-bottom: 28px;
}

.form-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--login-text);
    margin-bottom: 8px;
}

.label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.label-row .form-label {
    margin-bottom: 0;
}

.forgot-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--login-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.forgot-link:hover {
    color: var(--login-primary-hover);
    text-decoration: underline;
}

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

.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--login-secondary);
    pointer-events: none;
    transition: color 0.2s;
}

.form-input {
    width: 100%;
    padding: 14px 14px 14px 46px;
    font-size: 15px;
    font-family: inherit;
    color: var(--login-text);
    background: var(--login-bg);
    border: 2px solid var(--login-border);
    border-radius: var(--login-radius-sm);
    transition: var(--login-transition);
}

.form-input:hover {
    border-color: #cbd5e1;
}

.form-input:focus {
    outline: none;
    background: var(--login-white);
    border-color: var(--login-primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.form-input:focus + .input-icon,
.input-wrapper:focus-within .input-icon {
    color: var(--login-primary);
}

.form-input::placeholder {
    color: #94a3b8;
}

.form-input.error {
    border-color: var(--login-error);
    background: #fef2f2;
}

.form-input.error:focus {
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.1);
}

.form-error {
    display: block;
    font-size: 13px;
    color: var(--login-error);
    margin-top: 6px;
    min-height: 18px;
}

/* Password Toggle */
.password-toggle {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--login-secondary);
    padding: 4px;
    display: flex;
    align-items: center;
    transition: color 0.2s;
}

.password-toggle:hover {
    color: var(--login-primary);
}

/* Checkbox */
.checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.checkbox-wrapper input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid var(--login-border);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: transparent;
    transition: var(--login-transition);
    flex-shrink: 0;
}

.checkbox-wrapper input:checked + .checkbox-custom {
    background: var(--login-primary);
    border-color: var(--login-primary);
    color: white;
}

.checkbox-wrapper:hover .checkbox-custom {
    border-color: var(--login-primary);
}

.checkbox-wrapper input:focus + .checkbox-custom {
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.checkbox-label {
    font-size: 14px;
    color: var(--login-text-muted);
    user-select: none;
}

/* ============================================
   Buttons
   ============================================ */
.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 14px 24px;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    border-radius: var(--login-radius-sm);
    cursor: pointer;
    transition: var(--login-transition);
    text-decoration: none;
}

.btn-primary {
    background: var(--login-primary);
    color: white;
    border: none;
}

.btn-primary:hover {
    background: var(--login-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.25);
}

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

.btn-secondary {
    background: var(--login-white);
    color: var(--login-text);
    border: 2px solid var(--login-border);
}

.btn-secondary:hover {
    background: var(--login-bg);
    border-color: #cbd5e1;
}

.btn-submit {
    position: relative;
}

.btn-submit .btn-loading {
    display: none;
    position: absolute;
    animation: spin 1s linear infinite;
}

.btn-submit.loading .btn-text,
.btn-submit.loading .btn-icon {
    visibility: hidden;
}

.btn-submit.loading .btn-loading {
    display: block;
}

.btn-submit:disabled {
    background: #cbd5e0;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ============================================
   Divider
   ============================================ */
.login-divider {
    position: relative;
    text-align: center;
    margin: 28px 0;
}

.login-divider::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 1px;
    background: var(--login-border);
}

.login-divider span {
    position: relative;
    background: var(--login-white);
    padding: 0 16px;
    font-size: 14px;
    color: var(--login-text-muted);
    font-weight: 500;
}

/* ============================================
   Already Logged In
   ============================================ */
.already-logged-in {
    text-align: center;
    padding: 20px 0;
}

.logged-in-icon {
    margin-bottom: 24px;
}

.already-logged-in h2 {
    font-size: 26px;
    font-weight: 700;
    color: var(--login-text);
    margin: 0 0 12px 0;
}

.logged-in-text {
    font-size: 16px;
    color: var(--login-text-muted);
    margin: 0 0 32px 0;
}

.logged-in-text strong {
    color: var(--login-text);
}

.logged-in-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* ============================================
   Footer
   ============================================ */
.login-footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--login-border);
}

.login-footer p {
    font-size: 13px;
    color: var(--login-text-muted);
    margin: 0;
}

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

/* Large Tablets & Small Laptops (< 1200px) */
@media (max-width: 1199px) {
    .login-branding {
        padding: 50px 40px;
    }

    .brand-tagline h1 {
        font-size: 36px;
    }

    .brand-tagline p {
        font-size: 16px;
    }
}

/* Tablets (< 992px) - Stack Layout */
@media (max-width: 991px) {
    .login-page {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .login-branding {
        display: none;
    }

    .login-form-panel {
        min-height: 100vh;
        padding: 40px 24px;
    }

    .login-form-wrapper {
        max-width: 440px;
    }

    .mobile-logo {
        display: flex;
    }

    .login-header {
        margin-bottom: 32px;
    }

    .login-header h2 {
        font-size: 28px;
    }
}

/* Small Tablets (< 768px) */
@media (max-width: 767px) {
    .login-form-panel {
        padding: 32px 20px;
    }

    .login-form-wrapper {
        max-width: 100%;
    }

    .login-header h2 {
        font-size: 26px;
    }

    .login-header p {
        font-size: 15px;
    }

    .form-input {
        padding: 13px 13px 13px 44px;
        font-size: 16px; /* Prevents iOS zoom */
    }

    .btn-primary,
    .btn-secondary {
        padding: 13px 20px;
        font-size: 15px;
    }
}

/* Mobile (< 576px) */
@media (max-width: 575px) {
    .login-form-panel {
        padding: 24px 16px;
    }

    .mobile-logo {
        margin-bottom: 32px;
    }

    .mobile-logo svg {
        width: 36px;
        height: 36px;
    }

    .mobile-logo span {
        font-size: 22px;
    }

    .login-header {
        margin-bottom: 28px;
    }

    .login-header h2 {
        font-size: 24px;
    }

    .login-header p {
        font-size: 14px;
    }

    .form-group {
        margin-bottom: 18px;
    }

    .form-label {
        font-size: 13px;
    }

    .form-input {
        padding: 12px 12px 12px 42px;
        border-radius: 8px;
    }

    .input-icon {
        left: 12px;
        width: 18px;
        height: 18px;
    }

    .password-toggle {
        right: 12px;
    }

    .checkbox-label {
        font-size: 13px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 12px 18px;
        font-size: 14px;
        border-radius: 8px;
    }

    .login-divider {
        margin: 24px 0;
    }

    .login-footer {
        margin-top: 32px;
        padding-top: 20px;
    }

    .login-footer p {
        font-size: 12px;
    }

    /* Already logged in adjustments */
    .already-logged-in h2 {
        font-size: 22px;
    }

    .logged-in-text {
        font-size: 14px;
        margin-bottom: 24px;
    }
}

/* Extra Small Mobile (< 375px) */
@media (max-width: 374px) {
    .login-form-panel {
        padding: 20px 14px;
    }

    .mobile-logo {
        margin-bottom: 28px;
    }

    .login-header h2 {
        font-size: 22px;
    }

    .form-input {
        padding: 11px 11px 11px 40px;
        font-size: 15px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 11px 16px;
        font-size: 14px;
    }

    .forgot-link {
        font-size: 13px;
    }
}

/* Landscape Mobile */
@media (max-height: 600px) and (orientation: landscape) {
    .login-form-panel {
        padding: 20px 24px;
        align-items: flex-start;
    }

    .login-form-wrapper {
        padding: 16px 0;
    }

    .mobile-logo {
        margin-bottom: 24px;
    }

    .login-header {
        margin-bottom: 24px;
    }

    .login-header h2 {
        font-size: 24px;
        margin-bottom: 6px;
    }

    .form-group {
        margin-bottom: 14px;
    }

    .form-group.remember-group {
        margin-bottom: 20px;
    }

    .login-divider {
        margin: 20px 0;
    }

    .login-footer {
        margin-top: 24px;
        padding-top: 16px;
    }
}

/* ============================================
   Accessibility
   ============================================ */
.form-input:focus-visible,
.btn-primary:focus-visible,
.btn-secondary:focus-visible,
.password-toggle:focus-visible,
.forgot-link:focus-visible,
.checkbox-wrapper input:focus-visible + .checkbox-custom {
    outline: 3px solid rgba(37, 99, 235, 0.5);
    outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .form-input {
        border-width: 3px;
    }

    .btn-primary {
        border: 2px solid transparent;
    }

    .checkbox-custom {
        border-width: 3px;
    }
}

/* Dark Mode Support (optional) */
@media (prefers-color-scheme: dark) {
    /* Keeping light mode for login page for brand consistency */
    /* Can be enabled by uncommenting below */
    /*
    :root {
        --login-text: #f1f5f9;
        --login-text-muted: #94a3b8;
        --login-bg: #1e293b;
        --login-white: #0f172a;
        --login-border: #334155;
    }
    */
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .login-branding {
        display: none;
    }

    .login-page {
        grid-template-columns: 1fr;
    }
}