/* Reset e configurações base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #000000;
    --primary-hover: #333333;
    --secondary: #666666;
    --background: #ffffff;
    --surface: #f8f9fa;
    --border: #e0e0e0;
    --text-primary: #000000;
    --text-secondary: #666666;
    --success: #28a745;
    --error: #dc3545;
    --warning: #ffc107;
    --shadow: rgba(0, 0, 0, 0.05);
    --shadow-md: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Página pública de links */
.public-page {
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    padding: 20px;
}

.links-container {
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
}

.profile-section {
    text-align: center;
    margin-bottom: 40px;
    padding-top: 10px;
}

.profile-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.profile-logo img {
    max-width: 100%;
    height: auto;
    max-height: 150px;
    object-fit: contain;
}

.company-message {
    color: var(--text-secondary);
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 10px;
}

.links-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.link-item {
    display: flex;
    align-items: center;
    padding: 18px 24px;
    background: white;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--text-primary);
    transition: var(--transition);
    cursor: pointer;
    gap: 16px;
}

.link-item:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    box-shadow: 0 8px 24px var(--shadow-md);
}

.link-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface);
    border-radius: var(--radius-sm);
    font-size: 20px;
}

.link-content {
    flex: 1;
}

.link-title {
    font-size: 16px;
    font-weight: 600;
}

.link-arrow {
    color: var(--text-secondary);
    font-size: 14px;
}

.links-footer {
    text-align: center;
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.admin-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.admin-link:hover {
    color: var(--primary);
}

/* Login */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: white;
    padding: 40px;
    border-radius: var(--radius);
    box-shadow: 0 4px 30px var(--shadow);
}

.logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo img {
    max-width: 120px;
    height: auto;
    margin-bottom: 20px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 10px;
}

/* Área administrativa */
.admin-container {
    min-height: 100vh;
    background: var(--surface);
}

.admin-header {
    background: white;
    border-bottom: 1px solid var(--border);
    padding: 20px 30px;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.header-content .logo {
    display: flex;
    align-items: center;
    gap: 15px;
    text-align: left;
    margin: 0;
}

.header-content .logo img {
    width: 40px;
    height: 40px;
    margin: 0;
}

.header-content .logo h1 {
    font-size: 20px;
    margin: 0;
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

.user-info {
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.admin-main {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 30px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
}

.stat-card {
    background: white;
    padding: 24px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: 0 4px 20px var(--shadow);
    transform: translateY(-2px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: var(--surface);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
}

.stat-icon.active {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.stat-icon.clicks {
    background: rgba(0, 123, 255, 0.1);
    color: #007bff;
}

.stat-content h3 {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-content p {
    color: var(--text-secondary);
    font-size: 14px;
}

/* Actions Bar */
.actions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.actions-bar h2 {
    font-size: 24px;
    font-weight: 700;
}

/* Tabelas */
.table-container {
    background: white;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
}

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

.data-table thead {
    background: var(--surface);
}

.data-table th {
    padding: 16px;
    text-align: left;
    font-weight: 600;
    font-size: 14px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 16px;
    border-bottom: 1px solid var(--border);
}

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

.data-table tbody tr:hover {
    background: var(--surface);
}

.url-cell a {
    color: var(--primary);
    text-decoration: none;
}

.url-cell a:hover {
    text-decoration: underline;
}

.user-agent-cell {
    font-size: 13px;
    color: var(--text-secondary);
}

.actions-cell {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    background: var(--surface);
    color: var(--text-primary);
    text-decoration: none;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

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

.btn-icon.btn-danger:hover {
    background: var(--error);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
}

.badge-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
}

.badge-inactive {
    background: rgba(108, 117, 125, 0.1);
    color: var(--secondary);
}

.badge-clicks {
    background: rgba(0, 123, 255, 0.1);
    color: #007bff;
    font-weight: 700;
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--shadow-md);
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

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

/* Formulários */
.form-container {
    max-width: 800px;
}

.link-form {
    background: white;
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
}

.form-group {
    margin-bottom: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="url"],
.form-group input[type="password"],
.form-group input[type="number"] {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.05);
}

.form-group small {
    display: block;
    margin-top: 6px;
    color: var(--text-secondary);
    font-size: 13px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-sm);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.alert-success {
    background: rgba(40, 167, 69, 0.1);
    color: var(--success);
    border: 1px solid rgba(40, 167, 69, 0.2);
}

.alert-error {
    background: rgba(220, 53, 69, 0.1);
    color: var(--error);
    border: 1px solid rgba(220, 53, 69, 0.2);
}

/* Icon Reference */
.icon-reference {
    margin-top: 40px;
    padding: 24px;
    background: var(--surface);
    border-radius: var(--radius);
}

.icon-reference h3 {
    font-size: 18px;
    margin-bottom: 20px;
    font-weight: 700;
}

.icon-reference h4 {
    font-size: 14px;
    margin-top: 24px;
    margin-bottom: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 8px;
    margin-bottom: 16px;
}

.icon-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 10px 6px;
    background: white;
    border-radius: var(--radius-sm);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid transparent;
}

.icon-item:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-md);
}

.icon-item i {
    font-size: 20px;
    color: var(--primary);
}

.icon-item span {
    font-size: 9px;
    color: var(--text-secondary);
    word-break: break-word;
    line-height: 1.2;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state p {
    font-size: 16px;
    margin-bottom: 20px;
}

.login-footer {
    margin-top: 20px;
    text-align: center;
}

.login-footer a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition);
}

.login-footer a:hover {
    color: var(--primary);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal-content {
    background: white;
    border-radius: var(--radius);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px var(--shadow-lg);
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: 24px 30px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    font-size: 32px;
    font-weight: 300;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    background: var(--surface);
    color: var(--primary);
}

.modal-body {
    padding: 30px;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-main {
        padding: 20px 15px;
    }

    .header-content {
        flex-direction: column;
        gap: 15px;
    }

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

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

    .actions-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .table-container {
        overflow-x: auto;
    }

    .data-table {
        min-width: 800px;
    }

    .login-box {
        padding: 30px 20px;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .icon-grid {
        grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    }
}