/* Proposal Studio - Main Stylesheet */

:root {
    --primary-color: #1a4d7a;
    --secondary-color: #2e7db5;
    --accent-color: #4a90c5;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --light-bg: #f8f9fa;
    --dark-text: #333;
    --border-color: #ddd;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: var(--light-bg);
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 1.5rem 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

header .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.8rem;
    font-weight: 600;
}

header nav a {
    color: rgba(255, 255, 255, 0.75);
    text-decoration: none;
    margin-left: 2rem;
    font-weight: 500;
    padding-bottom: 4px;
    border-bottom: 2px solid transparent;
    transition: color 0.2s, border-color 0.2s;
}

header nav a:hover {
    color: white;
}

header nav a.active {
    color: white;
    border-bottom-color: white;
}

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

/* Form Styles */
.form-container {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    margin: 2rem auto;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.form-section {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 2px solid var(--light-bg);
}

.form-section:last-child {
    border-bottom: none;
}

.form-section h2 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    font-weight: 600;
}

.form-group {
    margin-bottom: 1.5rem;
}

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

.form-group label.required::after {
    content: " *";
    color: var(--danger-color);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.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(26, 77, 122, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Form Grid */
.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

/* Checkboxes */
.checkbox-group {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.checkbox-item {
    display: flex;
    align-items: center;
}

.checkbox-item input[type="checkbox"] {
    margin-right: 0.5rem;
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-item label {
    margin: 0;
    cursor: pointer;
    font-weight: normal;
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--border-color);
    border-radius: 4px;
    padding: 2rem;
    text-align: center;
    background: var(--light-bg);
    cursor: pointer;
    transition: all 0.3s;
}

.file-upload:hover {
    border-color: var(--primary-color);
    background: white;
}

.file-upload input[type="file"] {
    display: none;
}

.file-preview {
    margin-top: 1rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 1rem;
}

.file-preview-item {
    position: relative;
}

.file-preview-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

.file-preview-item .remove-file {
    position: absolute;
    top: 5px;
    right: 5px;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
}

/* Buttons */
.btn {
    padding: 0.75rem 2rem;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(26, 77, 122, 0.3);
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 117, 125, 0.3);
}

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

.btn-success:hover {
    background: #218838;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

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

.btn-danger:hover {
    background: #c82333;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.3);
}

.btn-large {
    padding: 1rem 3rem;
    font-size: 1.1rem;
}

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

/* Loading Spinner */
.loading-spinner {
    display: none;
    text-align: center;
    padding: 2rem;
}

.loading-spinner.active {
    display: block;
}

.spinner {
    border: 4px solid var(--light-bg);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    width: 50px;
    height: 50px;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

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

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
}

.alert-error {
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    color: #721c24;
}

/* Proposals List */
.proposals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.proposal-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.proposal-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.proposal-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.75rem;
}

.proposal-card .meta {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.proposal-card .actions {
    margin-top: 1rem;
    display: flex;
    gap: 0.5rem;
}

.proposal-card .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Proposal View */
.proposal-view {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    margin-top: 2rem;
}

.proposal-header {
    border-bottom: 3px solid var(--primary-color);
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
}

.proposal-section {
    margin-bottom: 2.5rem;
}

.proposal-section h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.info-item {
    padding: 0.75rem;
    background: var(--light-bg);
    border-radius: 4px;
}

.info-item label {
    font-weight: 600;
    color: #666;
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.25rem;
}

.info-item value {
    font-size: 1.1rem;
    color: var(--dark-text);
}

.photos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.photos-grid img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 4px;
    border: 1px solid var(--border-color);
}

/* Address Book Dropdown */
.client-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    z-index: 100;
    background: white;
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 4px 4px;
    max-height: 280px;
    overflow-y: auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.client-dropdown.open {
    display: block;
}

.client-dropdown-item {
    padding: 0.6rem 0.75rem;
    cursor: pointer;
    border-bottom: 1px solid #f0f0f0;
    transition: background 0.15s;
}

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

.client-dropdown-item:hover,
.client-dropdown-item.highlighted {
    background: #e8f0fe;
}

.client-dropdown-name {
    font-weight: 600;
    color: var(--dark-text);
    font-size: 0.95rem;
}

.client-dropdown-detail {
    font-size: 0.82rem;
    color: #888;
    margin-top: 2px;
}

.client-dropdown-empty {
    padding: 0.75rem;
    color: #999;
    text-align: center;
    font-size: 0.9rem;
}

/* Address Book Toggle Button */
.address-book-toggle {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    padding: 2px 6px;
    font-size: 0.85rem;
    cursor: pointer;
    margin-left: 0.5rem;
    vertical-align: middle;
    transition: background 0.2s, border-color 0.2s;
}

.address-book-toggle:hover {
    background: var(--light-bg);
    border-color: var(--primary-color);
}

/* Small Button Variant */
.btn-small {
    padding: 0.4rem 1rem;
    font-size: 0.85rem;
}

.btn-small:hover {
    transform: translateY(-1px);
}

/* Action button group in table cells */
.action-btns {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}

/* Clients Table */
.clients-table-wrap {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    overflow-x: auto;
}

.clients-table {
    width: 100%;
    border-collapse: collapse;
}

.clients-table th {
    background: var(--primary-color);
    color: white;
    padding: 0.75rem 1rem;
    text-align: left;
    font-weight: 500;
    font-size: 0.9rem;
    white-space: nowrap;
}

.clients-table td {
    padding: 0.7rem 1rem;
    border-bottom: 1px solid #f0f0f0;
    font-size: 0.92rem;
    color: var(--dark-text);
}

.clients-table tbody tr {
    transition: background 0.15s;
}

.clients-table tbody tr:hover {
    background: #edf2f7;
}

.clients-table tbody tr:last-child td {
    border-bottom: none;
}

/* Hamburger Menu Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    line-height: 1;
}

/* Page Header (title + actions bar) */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 2rem 0;
    flex-wrap: wrap;
    gap: 1rem;
}

.page-header-actions {
    display: flex;
    gap: 0.75rem;
    align-items: center;
    flex-wrap: wrap;
}

.search-input {
    padding: 0.5rem 0.75rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 0.95rem;
    width: 240px;
}

/* Responsive: Tablet and below */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
    }

    header .container {
        flex-wrap: wrap;
    }

    header nav {
        display: none;
        width: 100%;
        padding-top: 1rem;
    }

    header nav.open {
        display: flex;
        flex-direction: column;
        gap: 0.25rem;
    }

    header nav a {
        margin: 0;
        padding: 0.6rem 0;
        border-bottom: none;
    }

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

    .checkbox-group {
        grid-template-columns: 1fr;
    }

    .btn-large {
        width: 100%;
    }

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

    .dashboard-two-col {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: stretch;
    }

    .page-header-actions {
        flex-direction: column;
    }

    .search-input {
        width: 100%;
    }

    /* Card-style tables on mobile */
    .clients-table thead {
        display: none;
    }

    .clients-table,
    .clients-table tbody,
    .clients-table tr,
    .clients-table td {
        display: block;
        width: 100%;
    }

    .clients-table tr {
        padding: 1rem;
        margin-bottom: 0.75rem;
        border: 1px solid #eee;
        border-radius: 8px;
        background: white;
    }

    .clients-table td {
        padding: 0.3rem 0;
        border-bottom: none;
        font-size: 0.9rem;
    }

    .clients-table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: #666;
        font-size: 0.78rem;
        display: block;
        margin-bottom: 0.15rem;
    }

    .clients-table td:first-child {
        font-size: 1.05rem;
    }

    .action-btns {
        margin-top: 0.5rem;
    }

    /* Form container padding */
    .form-container {
        padding: 1.25rem;
        margin: 1rem auto;
    }

    .proposal-view {
        padding: 1.25rem;
        margin-top: 1rem;
    }

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

    .photos-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }

    .file-preview {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }

    /* Action button groups - stack vertically on mobile */
    .page-action-btns {
        flex-direction: column;
    }

    .page-action-btns .btn,
    .page-action-btns a.btn {
        width: 100%;
        text-align: center;
        box-sizing: border-box;
    }

    .invoice-bottom-actions {
        flex-direction: column;
    }

    .invoice-bottom-actions .btn {
        width: 100%;
    }

    /* Email modal */
    #email-modal > div {
        margin: 1rem;
        padding: 1.25rem;
    }
}

/* Responsive: Small phones */
@media (max-width: 480px) {
    header h1 {
        font-size: 1.3rem;
    }

    .container {
        padding: 12px;
    }

    .form-container {
        padding: 1rem;
    }

    .form-section h2 {
        font-size: 1.2rem;
    }

    .btn {
        padding: 0.6rem 1.25rem;
        font-size: 0.9rem;
    }

    .btn-large {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .dashboard-cards {
        grid-template-columns: 1fr;
    }

    .dashboard-card .metric {
        font-size: 1.6rem;
    }

    .proposal-card .actions {
        flex-direction: column;
    }

    .proposal-card .actions .btn {
        width: 100%;
        text-align: center;
    }
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: capitalize;
}

.status-paid {
    background: #d4edda;
    color: #155724;
}

.status-partial {
    background: #fff3cd;
    color: #856404;
}

.status-unpaid {
    background: #f8d7da;
    color: #721c24;
}

/* Dashboard */
.dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.dashboard-card {
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    min-width: 0;
}

.dashboard-card h3 {
    font-size: 0.82rem;
    color: #666;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.dashboard-card .metric {
    font-size: 2rem;
    font-weight: 700;
    color: #1a4d7a;
}

.dashboard-card .metric.danger {
    color: #dc3545;
}

.dashboard-card .metric.success {
    color: #28a745;
}

.revenue-bar {
    display: flex;
    align-items: center;
    margin-bottom: 0.35rem;
    min-width: 0;
}

.revenue-bar-label {
    width: 36px;
    font-size: 0.78rem;
    color: #666;
    text-align: right;
    margin-right: 0.75rem;
    flex-shrink: 0;
}

.revenue-bar-fill {
    height: 20px;
    background: linear-gradient(90deg, #1a4d7a, #104fc2);
    border-radius: 3px;
    min-width: 2px;
    transition: width 0.3s;
    flex: 1;
    max-width: 100%;
}

.revenue-bar-amount {
    margin-left: 0.5rem;
    font-size: 0.78rem;
    color: #666;
    flex-shrink: 0;
}

/* Print Styles */
@media print {
    header, .actions, .btn {
        display: none;
    }
}