/*
 * Invoice Generator - Styles
 */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --secondary-color: #64748b;
    --secondary-hover: #475569;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --background-color: #f8fafc;
    --card-background: #ffffff;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1);
    --radius: 8px;
}

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

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
}

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

.btn-secondary:hover:not(:disabled) {
    background-color: var(--secondary-hover);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: #dc2626;
}

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
    width: 100%;
}

.btn-google {
    background-color: white;
    color: #444;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
}

.btn-google:hover {
    background-color: #f8f9fa;
    border-color: #ccc;
}

.btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

/* Auth Section */
#auth-section {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 60vh;
}

.auth-box {
    background: var(--card-background);
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    text-align: center;
    max-width: 400px;
}

.auth-box h1 {
    margin-bottom: 10px;
    color: var(--text-color);
}

.auth-box p {
    color: var(--secondary-color);
    margin-bottom: 24px;
}

.auth-box .form-group {
    text-align: left;
}

.auth-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 10px;
}

.auth-buttons .btn {
    width: 100%;
}

.auth-divider {
    position: relative;
    text-align: center;
    margin: 24px 0;
}

.auth-divider::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--border-color);
    z-index: 1;
}

.auth-divider span {
    position: relative;
    padding: 0 12px;
    background-color: var(--card-background);
    color: var(--secondary-color);
    font-size: 12px;
    font-weight: 500;
    z-index: 2;
}

.google-icon {
    width: 18px;
    height: 18px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.header h1 {
    font-size: 24px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info span {
    color: var(--secondary-color);
}

/* Tabs */
.tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
}

.tab-btn {
    padding: 12px 24px;
    background: none;
    border: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--secondary-color);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
}

.tab-btn:hover {
    color: var(--text-color);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Cards */
.card {
    background: var(--card-background);
    padding: 24px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.card h2 {
    margin-bottom: 20px;
    font-size: 18px;
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 12px;
    font-size: 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    transition: border-color 0.2s ease;
}

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

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
}

.fieldset {
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 20px;
}

.fieldset legend {
    padding: 0 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
}

/* Profiles Grid */
.profiles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 20px;
}

.profile-card {
    background: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px;
    transition: box-shadow 0.2s ease;
}

.profile-card:hover {
    box-shadow: var(--shadow);
}

.profile-card h3 {
    font-size: 16px;
    margin-bottom: 8px;
}

.profile-card p {
    font-size: 13px;
    color: var(--secondary-color);
    margin-bottom: 4px;
}

.profile-card-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

/* Line Items */
.line-item {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr auto;
    gap: 12px;
    align-items: end;
    margin-bottom: 12px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border-color);
}

.line-item:last-child {
    border-bottom: none;
}

.line-item input {
    padding: 8px 10px;
    font-size: 14px;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--card-background);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-content h2 {
    margin-bottom: 24px;
}

.close-modal {
    float: right;
    font-size: 28px;
    font-weight: bold;
    color: var(--secondary-color);
    cursor: pointer;
    line-height: 1;
}

.close-modal:hover {
    color: var(--text-color);
}

.close-modal-btn {
    background: none;
    border: none;
    color: var(--secondary-color);
    cursor: pointer;
    font-size: 14px;
}

.close-modal-btn:hover {
    color: var(--text-color);
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 2000;
}

.toast {
    background: var(--text-color);
    color: white;
    padding: 12px 20px;
    border-radius: var(--radius);
    margin-top: 10px;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

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

.toast.error {
    background: var(--danger-color);
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .line-item {
        grid-template-columns: 1fr;
    }

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

    .modal-content {
        padding: 20px;
    }
}

/* Welcome Modal */
.welcome-modal-content {
    text-align: center;
    padding: 48px 32px;
}

.welcome-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.welcome-modal-content h2 {
    font-size: 28px;
    margin-bottom: 16px;
    color: var(--text-color);
}

.welcome-modal-content p {
    font-size: 16px;
    color: var(--secondary-color);
    margin-bottom: 12px;
}

.welcome-subtitle {
    font-size: 14px !important;
    margin-bottom: 24px !important;
}

.welcome-actions {
    justify-content: center;
    border-top: none;
    margin-top: 32px;
    padding-top: 0;
}

/* Checkbox styling */
.checkbox-group {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

/* Toggle Switch */
.save-customer-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 16px;
    padding: 12px 16px;
    background: var(--background-color);
    border-radius: var(--radius);
    border: 1px solid var(--border-color);
}

/* Saved Customers Row */
.saved-customers-row {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}

.saved-customers-row .flex-1 {
    flex: 1;
}

.saved-customers-row .delete-customer-group {
    flex-shrink: 0;
    margin-bottom: 16px;
}

.toggle-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 50px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--secondary-color);
    transition: 0.3s;
    border-radius: 28px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 4px;
    bottom: 4px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
}

.toggle-switch input:checked+.toggle-slider {
    background-color: var(--success-color);
}

.toggle-switch input:checked+.toggle-slider:before {
    transform: translateX(22px);
}