/**
 * Sponsor Portal Styles
 * OTP authentication and dashboard UI
 *
 * @package DataDNA_Agent_Connector
 */

/* =============================================================================
   CSS Variables (--sp- prefix for sponsor portal)
   ============================================================================= */
:root {
    --sp-primary: #2563eb;
    --sp-primary-dark: #1d4ed8;
    --sp-primary-light: #3b82f6;
    --sp-secondary: #0f172a;
    --sp-success: #059669;
    --sp-success-light: #d1fae5;
    --sp-warning: #d97706;
    --sp-danger: #dc2626;
    --sp-danger-light: #fef2f2;
    --sp-gray-50: #f8fafc;
    --sp-gray-100: #f1f5f9;
    --sp-gray-200: #e2e8f0;
    --sp-gray-300: #cbd5e1;
    --sp-gray-400: #94a3b8;
    --sp-gray-500: #64748b;
    --sp-gray-600: #475569;
    --sp-gray-700: #334155;
    --sp-gray-800: #1e293b;
    --sp-gray-900: #0f172a;
    --sp-radius-sm: 6px;
    --sp-radius-md: 12px;
    --sp-radius-lg: 16px;
    --sp-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --sp-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --sp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --sp-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* =============================================================================
   Base Layout
   ============================================================================= */
.sponsor-portal {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--sp-gray-900);
    line-height: 1.6;
}

/* =============================================================================
   Loading & Error States
   ============================================================================= */
.sponsor-loading {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--sp-gray-500);
}

.sponsor-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--sp-gray-200);
    border-top-color: var(--sp-primary);
    border-radius: 50%;
    margin: 0 auto 1rem;
    animation: sp-spin 1s linear infinite;
}

@keyframes sp-spin {
    to { transform: rotate(360deg); }
}

.sponsor-error {
    text-align: center;
    padding: 3rem;
    background: var(--sp-danger-light);
    border: 1px solid #fecaca;
    border-radius: var(--sp-radius-md);
    color: var(--sp-danger);
}

.sponsor-error-message {
    background: var(--sp-danger-light);
    border: 1px solid #fecaca;
    border-radius: var(--sp-radius-sm);
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    color: var(--sp-danger);
    font-size: 0.9375rem;
}

/* =============================================================================
   Auth Card (Login & OTP views)
   ============================================================================= */
.sponsor-auth-card {
    max-width: 420px;
    margin: 2rem auto;
    background: white;
    border-radius: var(--sp-radius-lg);
    box-shadow: var(--sp-shadow-lg);
    padding: 2.5rem;
}

.sponsor-auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.sponsor-auth-header h2 {
    margin: 0 0 0.5rem;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--sp-secondary);
}

.sponsor-auth-header p {
    margin: 0;
    color: var(--sp-gray-500);
    font-size: 1rem;
}

.sponsor-auth-header strong {
    color: var(--sp-gray-700);
}

/* =============================================================================
   Auth Form
   ============================================================================= */
.sponsor-auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.sponsor-form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sponsor-form-group label {
    font-weight: 500;
    font-size: 0.9375rem;
    color: var(--sp-gray-700);
}

.sponsor-form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 1px solid var(--sp-gray-300);
    border-radius: var(--sp-radius-sm);
    font-size: 1rem;
    color: var(--sp-gray-700);
    background: white;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}

.sponsor-form-group input:focus {
    outline: none;
    border-color: var(--sp-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.sponsor-form-group input:disabled {
    background: var(--sp-gray-100);
    cursor: not-allowed;
}

.sponsor-auth-note {
    text-align: center;
    margin: 1.5rem 0 0;
    font-size: 0.875rem;
    color: var(--sp-gray-500);
}

.sponsor-auth-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--sp-gray-200);
}

.sponsor-link-btn {
    background: none;
    border: none;
    color: var(--sp-primary);
    font-size: 0.9375rem;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
    transition: color 0.2s;
}

.sponsor-link-btn:hover {
    color: var(--sp-primary-dark);
}

.sponsor-link-btn:disabled {
    color: var(--sp-gray-400);
    cursor: not-allowed;
}

/* =============================================================================
   OTP Input
   ============================================================================= */
.sponsor-otp-inputs {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.sponsor-otp-input {
    width: 50px;
    height: 60px;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    border: 2px solid var(--sp-gray-300);
    border-radius: var(--sp-radius-sm);
    color: var(--sp-gray-700);
    background: white;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.sponsor-otp-input:focus {
    outline: none;
    border-color: var(--sp-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.sponsor-otp-input:disabled {
    background: var(--sp-gray-100);
    cursor: not-allowed;
}

/* =============================================================================
   Buttons
   ============================================================================= */
.sponsor-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    border-radius: var(--sp-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
    gap: 0.5rem;
}

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

.sponsor-btn-primary:hover {
    background: var(--sp-primary-dark);
}

.sponsor-btn-primary:disabled {
    background: var(--sp-gray-400);
    cursor: not-allowed;
}

.sponsor-btn-secondary {
    background: var(--sp-gray-100);
    color: var(--sp-gray-700);
}

.sponsor-btn-secondary:hover {
    background: var(--sp-gray-200);
}

.sponsor-btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: sp-spin 0.8s linear infinite;
}

/* =============================================================================
   Dashboard Header
   ============================================================================= */
.sponsor-dashboard {
    max-width: 1100px;
    margin: 0 auto;
}

.sponsor-dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--sp-gray-200);
    flex-wrap: wrap;
    gap: 1rem;
}

.sponsor-dashboard-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.sponsor-dashboard-title h1 {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--sp-secondary);
}

.sponsor-tier-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.sponsor-tier-bronze {
    background: #f59e0b1a;
    color: #b45309;
}

.sponsor-tier-silver {
    background: #6b72801a;
    color: #4b5563;
}

.sponsor-tier-gold {
    background: #fbbf241a;
    color: #b45309;
}

/* =============================================================================
   Metrics Grid
   ============================================================================= */
.sponsor-metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.sponsor-metric-card {
    background: white;
    border-radius: var(--sp-radius-md);
    box-shadow: var(--sp-shadow-md);
    padding: 1.5rem;
    border: 1px solid var(--sp-gray-100);
    transition: transform 0.2s, box-shadow 0.2s;
}

.sponsor-metric-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--sp-shadow-lg);
}

.sponsor-metric-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.sponsor-metric-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--sp-primary);
    color: white;
    border-radius: var(--sp-radius-sm);
}

.sponsor-metric-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--sp-gray-700);
}

.sponsor-metric-body {
    margin-bottom: 1rem;
}

.sponsor-metric-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--sp-secondary);
    line-height: 1.1;
    margin-bottom: 0.25rem;
}

.sponsor-metric-label {
    font-size: 0.875rem;
    color: var(--sp-gray-500);
}

.sponsor-metric-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--sp-gray-100);
}

.sponsor-metric-stat {
    font-size: 0.875rem;
    color: var(--sp-gray-600);
}

.sponsor-metric-stat strong {
    font-weight: 600;
    color: var(--sp-gray-800);
}

.sponsor-metric-trend {
    font-size: 0.875rem;
    font-weight: 600;
    padding: 0.125rem 0.5rem;
    border-radius: 4px;
}

.sponsor-metric-trend.positive {
    background: var(--sp-success-light);
    color: var(--sp-success);
}

.sponsor-metric-trend.negative {
    background: var(--sp-danger-light);
    color: var(--sp-danger);
}

.sponsor-metric-trend.neutral {
    background: var(--sp-gray-100);
    color: var(--sp-gray-600);
}

/* =============================================================================
   Dashboard Footer
   ============================================================================= */
.sponsor-dashboard-footer {
    text-align: center;
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--sp-gray-200);
}

.sponsor-dashboard-footer p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--sp-gray-500);
}

.sponsor-dashboard-footer a {
    color: var(--sp-primary);
    text-decoration: none;
}

.sponsor-dashboard-footer a:hover {
    text-decoration: underline;
}

/* =============================================================================
   Responsive Design
   ============================================================================= */
@media (max-width: 992px) {
    .sponsor-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sponsor-portal {
        padding: 12px;
    }

    .sponsor-auth-card {
        padding: 1.75rem;
        margin: 1rem auto;
    }

    .sponsor-auth-header h2 {
        font-size: 1.5rem;
    }

    .sponsor-otp-inputs {
        gap: 0.5rem;
    }

    .sponsor-otp-input {
        width: 44px;
        height: 52px;
        font-size: 1.25rem;
    }

    .sponsor-metrics-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .sponsor-dashboard-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .sponsor-dashboard-title h1 {
        font-size: 1.5rem;
    }

    .sponsor-metric-value {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .sponsor-auth-card {
        padding: 1.5rem;
        border-radius: var(--sp-radius-md);
    }

    .sponsor-otp-inputs {
        gap: 0.375rem;
    }

    .sponsor-otp-input {
        width: 40px;
        height: 48px;
        font-size: 1.125rem;
    }

    .sponsor-auth-links {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .sponsor-metric-footer {
        flex-direction: column;
    }
}

/* =============================================================================
   Print Styles
   ============================================================================= */
@media print {
    .sponsor-auth-card {
        box-shadow: none;
        border: 1px solid var(--sp-gray-200);
    }

    .sponsor-btn {
        display: none;
    }

    .sponsor-metric-card {
        box-shadow: none;
        border: 1px solid var(--sp-gray-200);
        page-break-inside: avoid;
    }
}