/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables */
:root {
    --primary-color: #3b82f6;
    --primary-dark: #2563eb;
    --secondary-color: #8b5cf6;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --dark-color: #1f2937;
    --light-gray: #f3f4f6;
    --border-color: #e5e7eb;
    --text-color: #374151;
    --text-light: #6b7280;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --border-radius: 8px;
    --transition: all 0.3s ease;

    /* Category Colors */
    --cat-color-1: #ef4444; /* Red */
    --cat-color-2: #f97316; /* Orange */
    --cat-color-3: #eab308; /* Yellow */
    --cat-color-4: #22c55e; /* Green */
    --cat-color-5: #14b8a6; /* Teal */
    --cat-color-6: #3b82f6; /* Blue */
    --cat-color-7: #6366f1; /* Indigo */
    --cat-color-8: #a855f7; /* Purple */
    --cat-color-9: #ec4899; /* Pink */
    --cat-color-10: #6b7280; /* Gray */
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #f8fafc;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 2rem 0;
    box-shadow: var(--shadow-lg);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.header h1 i {
    font-size: 2.5rem;
}

/* Main Content */
.main-content {
    max-width: 1400px;
    margin: 2rem auto;
    padding: 0 2rem;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    box-shadow: var(--shadow);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-success:hover {
    background-color: #059669;
}

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

.btn-danger:hover {
    background-color: #dc2626;
}

.btn-secondary {
    background-color: #6b7280;
    color: white;
}

.btn-secondary:hover {
    background-color: #4b5563;
}

/* Contacts Grid */
.contacts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

/* Contact Card */
.contact-card {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    overflow: hidden;
    position: relative;
}

.clickable-card {
    cursor: pointer;
}

.clickable-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.clickable-card:active {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.contact-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.contact-card-body {
    padding: 1.5rem;
}

.contact-info {
    margin-bottom: 1rem;
}

.contact-info p {
    margin: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-color);
}

.contact-info i {
    color: var(--primary-color);
    width: 20px;
}

.contact-frequency,
.last-contact {
    font-size: 0.875rem;
    color: var(--text-light);
    display: block;
    margin-top: 0.5rem;
}

/* Progress Container */
.progress-container {
    margin-top: 1rem;
}

.timer-indicator {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.timer-text {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-color);
}

.progress {
    height: 0.5rem;
    background-color: var(--light-gray);
    border-radius: 999px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    border-radius: 999px;
    transition: width 0.3s ease;
}

.status-good {
    background: linear-gradient(90deg, var(--success-color), #34d399);
}

.status-warning {
    background: linear-gradient(90deg, var(--warning-color), #fbbf24);
}

.status-danger {
    background: linear-gradient(90deg, var(--danger-color), #f87171);
}

/* Card Actions */
.card-actions {
    display: flex;
    gap: 0.6rem;
}

.action-btn {
    flex: 1;
    padding: 0.6rem 0.75rem;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow);
    color: #fff !important;
}

.action-btn i {
    color: #fff !important;
    font-size: 1rem;
}

.action-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Notification Dot */
.notification-dot {
    position: absolute;
    top: 1rem;
    right: 1rem;
    width: 12px;
    height: 12px;
    background-color: var(--danger-color);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* Modal Styles with Higher Z-index */
.modal {
    z-index: 1060 !important;
}

.modal-backdrop {
    z-index: 1050 !important;
}

.modal-content {
    border-radius: var(--border-radius);
    border: none;
    box-shadow: var(--shadow-lg);
}

.modal-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    border: none;
}

.modal-title {
    font-weight: 600;
}

.btn-close {
    filter: brightness(0) invert(1);
}

.form-label {
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 0.5rem;
    display: block;
}

.form-control, .form-select {
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    transition: var(--transition);
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Alert Styles */
.alert {
    border-radius: var(--border-radius);
    padding: 1rem;
    margin-bottom: 1rem;
    border: none;
}

.alert-info {
    background-color: #dbeafe;
    color: #1e40af;
}

.alert-primary {
    background-color: #e0e7ff;
    color: #5b21b6;
}

/* Form Actions */
.modal-footer {
    border: none;
    padding: 1.5rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.5rem;
    }

    .contacts-grid {
        grid-template-columns: 1fr;
    }

    .action-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }
}

/* Loading State */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-light);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

.empty-state h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

/* Animations */
.fade-in {
    animation: fadeIn 0.3s ease;
}

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

/* Utility Classes */
.text-muted {
    color: var(--text-light);
}

.mt-3 {
    margin-top: 1rem;
}

.mb-3 {
    margin-bottom: 1rem;
}

.d-flex {
    display: flex;
}

.justify-content-between {
    justify-content: space-between;
}

.align-items-center {
    align-items: center;
}

.gap-2 {
    gap: 0.5rem;
}

/* Color Picker Styles */
.color-dot {
    display: inline-block;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    vertical-align: middle;
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    padding: 4px;
}

.color-option {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid transparent;
    transition: transform 0.2s;
}

.color-option:hover {
    transform: scale(1.2);
}

.color-option.selected {
    border-color: #333;
    transform: scale(1.1);
}