/* MAIN CONTAINER LAYOUT */
.login-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    min-height: 100vh;
    gap: 0;
}

/* BRAND PANEL - NAVY BLUE WITH TEAL ACCENT */
.brand-panel {
    background: linear-gradient(135deg, var(--color-brand-dark-start) 0%, var(--color-brand-dark-end) 100%);
    padding: var(--space-32);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
}

.brand-panel::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(33, 128, 141, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.brand-panel::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(33, 128, 141, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.brand-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    flex: 1;
    gap: var(--space-24);
    align-items: center;
    text-align: center;
}

.brand-header {
    margin-bottom: var(--space-16);
    text-align: center;
}

.brand-logo {
    width: 160px;
    height: auto;
    margin: 0 auto var(--space-20);
    display: block;
    filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.3));
    transition: transform var(--duration-normal) var(--ease-standard);
}

.brand-logo-img {
    width: 100%;
    height: auto;
    display: block;
}

.brand-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), rgba(33, 128, 141, 0.5));
    margin: var(--space-20) auto 0;
    border-radius: var(--radius-sm);
    animation: slideIn 0.8s var(--ease-standard) 0.2s both;
}

@keyframes slideIn {
    from {
        width: 0;
        opacity: 0;
    }
    to {
        width: 80px;
        opacity: 1;
    }
}

.brand-value-prop {
    margin: var(--space-16) 0;
    color: rgba(255, 255, 255, 0.9);
}

.value-prop-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--space-16);
    color: var(--color-white);
    line-height: var(--line-height-tight);
}

.value-prop-text {
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    opacity: 0.88;
    color: rgba(255, 255, 255, 0.9);
}

.benefits-list {
    margin: var(--space-16) 0 0 0;
    list-style: none;
}

.benefit-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-16);
    margin-bottom: var(--space-20);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.85);
    animation: slideInRight 0.6s var(--ease-standard);
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.benefit-item:nth-child(1) { animation-delay: 0.1s; }
.benefit-item:nth-child(2) { animation-delay: 0.2s; }
.benefit-item:nth-child(3) { animation-delay: 0.3s; }

.benefit-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(50, 184, 198, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    flex-shrink: 0;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
}

.brand-footer {
    text-align: center;
    padding-top: var(--space-16);
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.6);
}

/* FORM PANEL - WHITE BACKGROUND */
.form-panel {
    background: var(--color-surface);
    padding: var(--space-32);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.form-panel::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(33, 128, 141, 0.05) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.form-wrapper {
    width: 100%;
    max-width: 420px;
    position: relative;
    z-index: 1;
}

.form-header {
    margin-bottom: var(--space-32);
}

.form-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text);
    margin-bottom: var(--space-8);
    line-height: var(--line-height-tight);
    letter-spacing: -0.5px;
}

.form-subtitle {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
}

.form-meta {
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--space-12);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* SECURITY BADGE */
.security-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-8);
    padding: var(--space-16);
    background: rgba(33, 128, 141, 0.08);
    border: 1px solid rgba(33, 128, 141, 0.2);
    border-radius: var(--radius-base);
    font-size: var(--font-size-xs);
    color: var(--color-primary);
    margin-bottom: var(--space-24);
    animation: slideDown 0.6s var(--ease-standard) 0.2s both;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.security-icon {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

/* FORM GROUPS & INPUTS */
.form-group {
    margin-bottom: var(--space-24);
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    margin-bottom: var(--space-8);
    letter-spacing: 0.3px;
}

.form-input {
    width: 100%;
    padding: var(--space-12) var(--space-16);
    font-size: var(--font-size-base);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-base);
    background: var(--color-white);
    font-family: var(--font-family-base);
    transition: all var(--duration-fast) var(--ease-standard);
    color: var(--color-text);
}

.form-input::placeholder {
    color: var(--color-text-secondary);
    opacity: 0.7;
}

.form-input:hover {
    border-color: var(--color-primary-hover);
    background: rgba(33, 128, 141, 0.02);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--focus-ring);
    background: var(--color-white);
}

.input-group {
    display: flex;
    align-items: center;
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--space-12);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-secondary);
    padding: var(--space-8);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--duration-fast) var(--ease-standard);
    font-size: var(--font-size-lg);
}

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

.password-toggle:focus {
    outline: none;
    box-shadow: var(--focus-ring);
    border-radius: var(--radius-sm);
}

.form-input.has-icon {
    padding-right: var(--space-40);
}

/* CHECKBOX */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--space-16);
    margin-bottom: var(--space-24);
    justify-content: space-between;
}

.checkbox-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-8);
}

.checkbox-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--duration-fast) var(--ease-standard);
    flex-shrink: 0;
}

.checkbox-input:hover {
    border-color: var(--color-primary);
    background: rgba(33, 128, 141, 0.05);
}

.checkbox-input:focus {
    outline: none;
    box-shadow: var(--focus-ring);
}

.checkbox-label {
    font-size: var(--font-size-base);
    color: var(--color-text);
    cursor: pointer;
    user-select: none;
}

.forgot-password {
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    transition: all var(--duration-fast) var(--ease-standard);
}

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

.forgot-password:focus {
    outline: none;
    box-shadow: var(--focus-ring);
    border-radius: var(--radius-sm);
}

/* ALERTS */
.alert {
    padding: var(--space-16);
    border-radius: var(--radius-base);
    margin-bottom: var(--space-24);
    font-size: var(--font-size-sm);
    display: flex;
    gap: var(--space-16);
    align-items: flex-start;
    animation: slideDown 0.4s var(--ease-standard);
}

.alert-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 2px;
    font-weight: var(--font-weight-bold);
}

.alert-content {
    flex: 1;
}

.alert-error {
    background: rgba(192, 21, 47, 0.08);
    color: var(--color-error);
    border: 1px solid rgba(192, 21, 47, 0.2);
}

.alert-error .alert-icon {
    color: var(--color-error);
}

.alert-success {
    background: rgba(33, 128, 141, 0.08);
    color: var(--color-success);
    border: 1px solid rgba(33, 128, 141, 0.2);
}

.alert-success .alert-icon {
    color: var(--color-success);
}

/* FORM FOOTER */
.form-footer {
    margin-top: var(--space-32);
    padding-top: var(--space-24);
    border-top: 1px solid var(--color-card-border);
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.form-footer-text {
    margin-bottom: var(--space-8);
}

.signup-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: all var(--duration-fast) var(--ease-standard);
    border-radius: var(--radius-sm);
    padding: var(--space-4) 0;
}

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

.signup-link:focus {
    outline: none;
    box-shadow: var(--focus-ring);
}

/* ERROR MESSAGE */
.errorlist {
    list-style: none;
    padding: 0;
    margin: 0;
    color: var(--color-error);
    font-size: var(--font-size-xs);
}

.errorlist li {
    margin-bottom: var(--space-8);
    display: flex;
    gap: var(--space-8);
    align-items: flex-start;
}

.errorlist li::before {
    content: '✕';
    flex-shrink: 0;
    font-weight: var(--font-weight-bold);
}

.form-error {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--color-error);
    margin-top: var(--space-8);
}

/* RESPONSIVE DESIGN - TABLET */
@media (max-width: 1024px) {
    .brand-panel {
        display: none;
    }

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

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

    .form-wrapper {
        max-width: 400px;
    }
}

/* RESPONSIVE DESIGN - MOBILE LANDSCAPE */
@media (max-width: 640px) {
    .form-panel {
        padding: var(--space-24);
    }

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

    .form-title {
        font-size: var(--font-size-3xl);
    }

    .value-prop-title {
        font-size: var(--font-size-lg);
    }
}

/* RESPONSIVE DESIGN - MOBILE PORTRAIT */
@media (max-width: 480px) {
    .login-container {
        min-height: auto;
    }

    .form-panel {
        padding: var(--space-16);
        min-height: auto;
    }

    .brand-panel {
        padding: var(--space-16);
        min-height: auto;
    }

    .form-header {
        margin-bottom: var(--space-24);
    }

    .form-title {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--space-6);
    }

    .form-subtitle {
        font-size: var(--font-size-sm);
    }

    .form-group {
        margin-bottom: var(--space-20);
    }

    .form-label {
        font-size: var(--font-size-xs);
        margin-bottom: var(--space-6);
    }

    .form-input {
        padding: var(--space-10) var(--space-12);
        font-size: var(--font-size-base);
    }

    .value-prop-title {
        font-size: var(--font-size-lg);
        margin-bottom: var(--space-12);
    }

    .value-prop-text {
        font-size: var(--font-size-sm);
    }

    .benefit-item {
        font-size: var(--font-size-xs);
        gap: var(--space-12);
        margin-bottom: var(--space-16);
    }

    .benefit-icon {
        width: 20px;
        height: 20px;
        font-size: var(--font-size-base);
    }

    .checkbox-group {
        gap: var(--space-12);
        margin-bottom: var(--space-20);
        flex-wrap: wrap;
    }

    .checkbox-label {
        font-size: var(--font-size-sm);
    }

    .forgot-password {
        font-size: var(--font-size-xs);
    }

    .alert {
        padding: var(--space-12);
        gap: var(--space-12);
        font-size: var(--font-size-xs);
    }

    .form-footer {
        margin-top: var(--space-24);
        padding-top: var(--space-20);
        font-size: var(--font-size-xs);
    }

    .security-badge {
        padding: var(--space-12);
        gap: var(--space-6);
        font-size: 11px;
        margin-bottom: var(--space-20);
    }

    .brand-logo {
        width: 80px;
        margin-bottom: var(--space-16);
    }

    .brand-divider {
        width: 50px;
        margin: var(--space-16) auto 0;
    }

    .brand-value-prop {
        margin: var(--space-24) 0;
    }

    .benefits-list {
        margin: var(--space-24) 0;
    }

    .brand-footer {
        padding-top: var(--space-16);
        font-size: 10px;
    }

    .form-panel::before {
        display: none;
    }

    .brand-panel::before,
    .brand-panel::after {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

@media print {
    .brand-panel,
    .security-badge {
        display: none;
    }
}