/**
 * PoolAIssistant Portal Stylesheet
 */

/* ==================== Variables ==================== */
:root {
    --primary-color: #0066cc;
    --primary-dark: #0052a3;
    --primary-light: #e6f0fa;
    --secondary-color: #6c757d;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --warning-color: #ffc107;
    --info-color: #17a2b8;

    --text-color: #333;
    --text-muted: #6c757d;
    --bg-color: #f5f7fa;
    --card-bg: #ffffff;
    --border-color: #dee2e6;

    --status-online: #28a745;
    --status-away: #ffc107;
    --status-offline: #dc3545;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);

    --border-radius: 8px;
    --border-radius-lg: 12px;
}

/* ==================== Reset & Base ==================== */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
}

h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

p {
    margin-top: 0;
    margin-bottom: 1rem;
}

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

a:hover {
    text-decoration: underline;
}

/* ==================== Forms ==================== */
.form-group {
    margin-bottom: 1.25rem;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.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 var(--primary-light);
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    text-align: center;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
}

.btn:hover {
    text-decoration: none;
}

.btn:active {
    transform: scale(0.98);
}

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

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

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

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.btn-outline:hover {
    background-color: var(--bg-color);
}

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

.btn-danger:hover {
    background-color: #c82333;
}

.btn-danger-outline {
    background-color: transparent;
    border: 1px solid var(--danger-color);
    color: var(--danger-color);
}

.btn-danger-outline:hover {
    background-color: #fff5f5;
}

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

/* ==================== Alerts ==================== */
.alert {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
}

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

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

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

/* ==================== Auth Pages ==================== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.auth-container {
    width: 100%;
    max-width: 420px;
}

.auth-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 2.5rem;
}

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

.auth-logo h1 {
    font-size: 1.75rem;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.auth-logo p {
    color: var(--text-muted);
    margin-bottom: 0;
}

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

.auth-description {
    text-align: center;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.auth-links {
    text-align: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.auth-links span {
    color: var(--text-muted);
}

.auth-links .divider {
    margin: 0 0.5rem;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.auth-footer p {
    margin: 0;
    font-size: 0.875rem;
}

/* ==================== Navigation ==================== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--card-bg);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin: 0;
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-user span {
    color: var(--text-muted);
}

.nav-link {
    color: var(--text-color);
    font-weight: 500;
}

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

/* ==================== Dashboard ==================== */
.dashboard-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.dashboard-header h2 {
    font-size: 1.75rem;
    margin: 0;
}

/* ==================== Empty State ==================== */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

/* ==================== Device Grid ==================== */
.device-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.device-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 1.5rem;
    position: relative;
    transition: box-shadow 0.2s;
}

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

.device-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    padding: 0.25rem 0.75rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.status-online {
    background-color: #d4edda;
    color: var(--status-online);
}

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

.status-offline {
    background-color: #f8d7da;
    color: var(--status-offline);
}

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

.device-name {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    padding-right: 4rem;
}

.device-id,
.device-lastseen,
.device-version {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.device-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.device-actions .btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* ==================== Modals ==================== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-muted);
    padding: 0;
    line-height: 1;
}

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

.modal-body {
    padding: 1.5rem;
}

.modal-actions {
    display: flex;
    gap: 0.75rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* Link Code Input */
.link-code-input {
    text-align: center;
    font-size: 1.5rem !important;
    font-family: monospace;
    letter-spacing: 0.25rem;
    text-transform: uppercase;
}

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem;
        flex-direction: column;
        gap: 1rem;
    }

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

    .dashboard-container {
        padding: 1rem;
    }

    .dashboard-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }

    .dashboard-header h2 {
        text-align: center;
    }

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

    .auth-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .auth-page {
        padding: 1rem;
    }

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

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

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

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