/* Professional PACS Login Interface */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f8fafc;
    min-height: 100vh;
    overflow: hidden;
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
}

.pacs-login-container {
    display: flex;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
}

/* Left Panel - Login Form */
.login-panel {
    flex: 0 0 480px;
    background: white;
    display: flex;
    flex-direction: column;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.1);
    z-index: 2;
}

.login-header {
    padding: 40px 40px 20px;
    border-bottom: 1px solid #e2e8f0;
}

.logo-section {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
}

.pacs-logo {
    width: 66px;
    height: 66px;
    border-radius: 12px;
    border: 2px solid #e2e8f0;
    background: white;
    padding: 4px;
}

.brand-logo {
    height: 33px;
    width: auto;
    margin-bottom: 4px;
}

.brand-text {
    text-align: center;
}

.brand-text p {
    font-size: 14px;
    color: #64748b;
    font-weight: 400;
}

.login-content {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.login-content h2 {
    font-size: 28px;
    font-weight: 700;
    color: #1e293b;
    margin-bottom: 8px;
    text-align: center;
}

.login-subtitle {
    font-size: 16px;
    color: #64748b;
    margin-bottom: 32px;
    text-align: center;
}

.pacs-login-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    font-size: 14px;
    font-weight: 600;
    color: #374151;
}

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

.input-icon {
    position: absolute;
    left: 16px;
    color: #9ca3af;
    font-size: 16px;
    z-index: 1;
}

.input-wrapper input {
    width: 100%;
    padding: 16px 16px 16px 48px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 400;
    background: #fafafa;
    transition: all 0.2s ease;
}

.input-wrapper input:focus {
    outline: none;
    border-color: #3b82f6;
    background: white;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-wrapper input::placeholder {
    color: #9ca3af;
}

.password-toggle {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    color: #9ca3af;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: color 0.2s;
}

.password-toggle:hover {
    color: #6b7280;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: -8px 0;
}

.remember-me {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #374151;
    cursor: pointer;
}

.remember-me input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: #3b82f6;
}

.forgot-password {
    font-size: 14px;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
}

.forgot-password:hover {
    text-decoration: underline;
}

.pacs-login-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.pacs-login-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 16px rgba(59, 130, 246, 0.4);
}

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

.pacs-login-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.error-alert {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #fef2f2;
    color: #dc2626;
    padding: 16px;
    border-radius: 12px;
    border: 1px solid #fecaca;
    font-size: 14px;
    font-weight: 500;
}

.error-alert i {
    font-size: 16px;
    flex-shrink: 0;
}

.login-info {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid #e5e7eb;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: #6b7280;
}

.info-item i {
    width: 16px;
    color: #10b981;
    font-size: 14px;
}

.login-footer {
    padding: 24px 40px;
    border-top: 1px solid #e5e7eb;
    text-align: center;
}

.demo-credentials {
    font-size: 13px;
    color: #f59e0b;
    background: #fef3c7;
    padding: 8px 12px;
    border-radius: 8px;
    margin-bottom: 12px;
    font-weight: 500;
}

.version {
    font-size: 12px;
    color: #6b7280;
    margin: 0 0 4px 0;
    font-weight: 500;
}

.copyright {
    font-size: 12px;
    color: #9ca3af;
    margin: 0;
}

/* Right Panel - Showcase */
.showcase-panel {
    flex: 1;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 60px;
    position: relative;
    overflow: hidden;
}

.showcase-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
}

.showcase-content {
    position: relative;
    z-index: 1;
    color: white;
    max-width: 600px;
}

.medical-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 32px;
}

.grid-item {
    text-align: center;
    padding: 24px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.medical-icon {
    font-size: 32px;
    margin-bottom: 16px;
    color: #60a5fa !important;
}

.grid-item h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.grid-item p {
    font-size: 14px;
    opacity: 0.9;
    line-height: 1.5;
}

.features-list {
    background: rgba(255, 255, 255, 0.1);
    padding: 27px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    margin-bottom: 32px;
}

.features-list h3 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
}

.features-list ul {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.features-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    line-height: 1.5;
}

.features-list li i {
    color: #10b981;
    font-size: 12px;
    flex-shrink: 0;
}

.compliance-badges {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 24px;
    font-size: 14px;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.badge i {
    color: #fbbf24;
    font-size: 16px;
}

/* Medical Loading Animation */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(30, 58, 138, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    color: white;
    backdrop-filter: blur(10px);
}

.medical-loader {
    position: relative;
    width: 80px;
    height: 80px;
    margin-bottom: 24px;
}

.pulse-ring {
    position: absolute;
    border: 3px solid #60a5fa;
    border-radius: 50%;
    width: 80px;
    height: 80px;
    animation: pulse 2s ease-in-out infinite;
}

.pulse-ring-delay {
    animation-delay: 1s;
}

.loader-icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 24px;
    color: #60a5fa;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0% {
        transform: scale(0.8);
        opacity: 1;
    }
    100% {
        transform: scale(1.4);
        opacity: 0;
    }
}

@keyframes heartbeat {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
    }
    50% {
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.loading-overlay p {
    font-size: 16px;
    font-weight: 500;
    text-align: center;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .login-panel {
        flex: 0 0 420px;
    }
    
    .showcase-panel {
        padding: 40px;
    }
    
    .medical-grid {
        gap: 24px;
    }
    
    .features-list ul {
        grid-template-columns: 1fr;
        gap: 12px;
    }
}

@media (max-width: 1024px) {
    .pacs-login-container {
        flex-direction: column;
    }
    
    .login-panel {
        flex: none;
        width: 100%;
        min-height: 100vh;
    }
    
    .showcase-panel {
        display: none;
    }
}

@media (max-width: 768px) {
    body {
        overflow-x: hidden;
    }
    
    .login-panel {
        min-height: 100vh;
    }
    
    .login-header {
        padding: 20px 20px 16px;
    }
    
    .login-content {
        padding: 20px;
        justify-content: flex-start;
        padding-top: 40px;
    }
    
    .login-content h2 {
        font-size: 24px;
    }
    
    .login-subtitle {
        font-size: 14px;
        margin-bottom: 24px;
    }
    
    .input-wrapper input {
        padding: 14px 14px 14px 44px;
        font-size: 16px;
    }
    
    .input-icon {
        left: 14px;
        font-size: 14px;
    }
    
    .password-toggle {
        right: 14px;
    }
    
    .pacs-login-btn {
        padding: 14px;
        font-size: 16px;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .login-footer {
        padding: 16px 20px;
    }
}

@media (max-width: 640px) {
    .login-header {
        padding: 16px 16px 12px;
    }
    
    .login-content {
        padding: 16px;
        padding-top: 24px;
    }
    
    .login-footer {
        padding: 12px 16px;
    }
    
    .logo-section {
        flex-direction: column;
        text-align: center;
        gap: 8px;
    }
    
    .pacs-logo {
        width: 48px;
        height: 48px;
        align-self: center;
    }
    
    .brand-text h1 {
        font-size: 20px;
    }
    
    .brand-text p {
        font-size: 12px;
    }
    
    .login-content h2 {
        font-size: 22px;
        text-align: center;
    }
    
    .login-subtitle {
        text-align: center;
        font-size: 14px;
    }
    
    .input-wrapper input {
        padding: 12px 12px 12px 40px;
    }
    
    .input-icon {
        left: 12px;
    }
    
    .password-toggle {
        right: 12px;
    }
    
    .demo-credentials {
        font-size: 12px;
        padding: 6px 10px;
    }
    
    .copyright {
        font-size: 11px;
    }
}

@media (max-width: 480px) {
    .login-content {
        padding: 12px;
        padding-top: 20px;
    }
    
    .login-header {
        padding: 12px;
    }
    
    .login-footer {
        padding: 10px 12px;
    }
    
    .pacs-login-form {
        gap: 20px;
    }
    
    .input-group {
        gap: 6px;
    }
    
    .login-info {
        margin-top: 24px;
        gap: 10px;
    }
    
    .info-item {
        font-size: 13px;
        gap: 10px;
    }
}

@media (max-height: 700px) and (max-width: 768px) {
    .login-content {
        justify-content: flex-start;
        padding-top: 20px;
    }
    
    .login-info {
        margin-top: 20px;
    }
    
    .pacs-login-form {
        gap: 16px;
    }
}

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

/* Focus styles for accessibility */
.pacs-login-btn:focus,
.input-wrapper input:focus,
.password-toggle:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .input-wrapper input {
        border-width: 3px;
    }
    
    .pacs-login-btn {
        border: 2px solid #1d4ed8;
    }
}