:root {
    /* Brand Colors */
    --color-primary: #006489;
    --color-action: #FEBD12;
    
    /* Background Colors */
    --color-bg-light: #E5E1E6;
    --color-bg-medium: #D1D1D1;
    
    /* Text Color */
    --color-text: #453F3E;
    
    /* Status Colors */
    --color-info: #18C1E5;
    --color-progress: #FEBD12;
    --color-success: #64BC50;
    --color-error: #EA4E65;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

* {
    box-sizing: border-box;
}

*:focus {
    outline: none;
}

.saas-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 100, 137, 0.15);
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    color: var(--color-text);
    background-color: var(--color-bg-light);
}

.saas-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.saas-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.saas-btn {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.saas-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.saas-btn-primary {
    background-color: var(--color-primary);
    color: white;
}

.saas-btn-primary:hover:not(:disabled) {
    background-color: #005070;
    box-shadow: var(--shadow-md);
}

.saas-btn-secondary {
    background-color: var(--color-bg-light);
    color: var(--color-text);
}

.saas-btn-secondary:hover:not(:disabled) {
    background-color: var(--color-bg-medium);
    box-shadow: var(--shadow-md);
}

.saas-btn-action {
    background-color: var(--color-action);
    color: var(--color-text);
}

.saas-btn-action:hover:not(:disabled) {
    background-color: #E5AA10;
    box-shadow: var(--shadow-md);
}

.saas-btn-success {
    background-color: var(--color-success);
    color: white;
}

.saas-btn-success:hover:not(:disabled) {
    background-color: #59a947;
    box-shadow: var(--shadow-md);
}

.saas-link-button {
    background: none;
    border: none;
    color: var(--color-primary);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    padding: 0.25rem 0.5rem;
    text-decoration: underline;
    transition: color 0.2s ease;
}

.saas-link-button:hover {
    color: #005070;
    text-decoration: none;
}

.saas-link-button:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(0, 100, 137, 0.2);
    border-radius: var(--radius-sm);
}

.saas-input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--color-bg-medium);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: border-color 0.2s ease;
}

.saas-input:focus {
    outline: none;
    border-color: var(--color-primary);
}

.saas-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text);
}

.saas-progress-bar {
    width: 100%;
    height: 2rem;
    background-color: var(--color-bg-medium);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.saas-progress-fill {
    height: 100%;
    background-color: #43B586;
    transition: width 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
}

.saas-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-lg);
}

.saas-subtitle {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.saas-text {
    font-size: 1rem;
    line-height: 1.5;
    color: var(--color-text);
}

.saas-alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
}

.saas-alert-info {
    background-color: rgba(24, 193, 229, 0.1);
    border-left: 4px solid var(--color-info);
    color: var(--color-text);
}

.saas-alert-success {
    background-color: rgba(100, 188, 80, 0.1);
    border-left: 4px solid var(--color-success);
    color: var(--color-text);
}

.saas-alert-error {
    background-color: rgba(234, 78, 101, 0.1);
    border-left: 4px solid var(--color-error);
    color: var(--color-text);
}

.saas-spinner {
    border: 3px solid var(--color-bg-medium);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    width: 2rem;
    height: 2rem;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.saas-form-group {
    margin-bottom: var(--spacing-lg);
}

.saas-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.saas-flex-col {
    display: flex;
    flex-direction: column;
}

.saas-flex-row {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-md);
}

.saas-gap-md {
    gap: var(--spacing-md);
}

.saas-gap-lg {
    gap: var(--spacing-lg);
}

/* Modal and upload styles */
.saas-modal-backdrop {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 10, 10, 0.45);
    z-index: 1000;
    padding: var(--spacing-lg);
}

.saas-modal {
    width: 100%;
    max-width: 720px;
    background: #fff;
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: 0 10px 30px rgba(0,0,0,0.12);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.saas-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.saas-file-drop {
    border: 2px dashed rgba(0,0,0,0.08);
    border-radius: 8px;
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    background: linear-gradient(180deg, rgba(0,0,0,0.02), rgba(0,0,0,0.005));
}

.saas-file-drop input[type="file"] {
    background: transparent;
    border: none;
}

.saas-file-drop-hint {
    color: rgba(69,63,62,0.7);
    font-size: 0.95rem;
}

.saas-file-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.saas-file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    border-radius: 8px;
    background: #FAFAFA;
    border: 1px solid rgba(0,0,0,0.03);
}

.saas-file-meta {
    display: flex;
    flex-direction: column;
}

.saas-file-name { font-weight: 600; }
.saas-file-size { font-size: 0.85rem; color: rgba(69,63,62,0.6); }

.saas-modal-actions {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
    margin-top: var(--spacing-sm);
}

/* DeviceBlocker styles */
.device-blocker {
    position: fixed;
    z-index: 9999;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
}
.device-blocker-card {
    background: #fff;
    border-radius: 2rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.12);
    padding: 3rem 2rem 2.5rem 2rem;
    text-align: center;
    max-width: 400px;
    width: 90vw;
}
.device-blocker-logo {
    display: block;
    width: 160px;
    margin: 0 auto 1.5rem auto;
}
.device-blocker-robot {
    display: block;
    width: 120px;
    margin: 0 auto 0 auto;
}
.device-blocker-card h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #222;
    font-weight: 700;
}
.device-blocker-card p {
    font-size: 1.1rem;
    color: #444;
    margin-bottom: 2rem;
}
.device-blocker-btn {
    background: #006489;
    color: #fff;
    border: none;
    border-radius: 2rem;
    padding: 0.9rem 2.2rem;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: not-allowed;
    opacity: 0.85;
}
@media (max-width: 600px) {
    .device-blocker-card {
        padding: 2rem 0.5rem 2rem 0.5rem;
    }
    .device-blocker-logo {
        width: 120px;
    }
    .device-blocker-robot {
        width: 120px;
    }
}