/* common.css - shared styles across all tools */

:root {
    --primary-color: #2563eb;
    --primary-hover: #1d4ed8;
    --border-color: #e5e7eb;
    --text-color: #1f2937;
    --text-muted: #6b7280;
    --bg-light: #f9fafb;
    --success-color: #10b981;
    --error-color: #ef4444;
}

* {
    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(--text-color);
    background-color: var(--bg-light);
    padding: 0;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
}

.subtitle {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.card {
    background: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    margin-bottom: 2rem;
}

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

/* compact form grid - 2 columns for dropdowns/inputs */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem 1.5rem;
    margin-bottom: 1rem;
}

.form-grid .form-group {
    margin-bottom: 0;
}

.form-grid .form-group.full-width {
    grid-column: 1 / -1;
}

@media (max-width: 640px) {
    .form-grid {
        grid-template-columns: 1fr;
    }
}

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

input,
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

/* buttons */
button {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
    max-width: 300px;
}

button:hover {
    background: var(--primary-hover);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

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

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

.btn-secondary:hover {
    background: #d1d5db;
}

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

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

/* htmx loading states */
.htmx-request button {
    opacity: 0.7;
    pointer-events: none;
}

.loading {
    display: none;
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

.htmx-request .loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

/* spinner animation */
.loading-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* loading text with animated dots */
.loading-text {
    font-size: 1rem;
    color: var(--text-color);
}

.loading-dots {
    display: inline-block;
    width: 1.5em;
    text-align: left;
}

.loading-dots::after {
    content: '';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

/* rotating phrases */
.loading-phrase {
    font-size: 0.875rem;
    color: var(--text-muted);
    min-height: 1.25rem;
    transition: opacity 0.2s ease-in-out;
}

/* error display */
.error {
    background: #fee2e2;
    border: 1px solid var(--error-color);
    color: #991b1b;
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

/* shared app header */
.app-header {
    background: white;
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 2rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.app-header .back-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: color 0.2s;
}

.app-header .back-link:hover {
    color: var(--primary-color);
}

.app-header h1 {
    margin: 0;
    font-size: 1.5rem;
    flex: 1;
}

.app-header #user-menu {
    margin-left: auto;
}

/* form actions */
.form-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.form-actions button {
    flex: 1;
    width: auto;
    max-width: none;
}

/* responsive */
@media (max-width: 640px) {
    .container {
        padding: 1rem;
    }

    .app-header {
        padding: 1rem;
        gap: 1rem;
    }

    .app-header h1 {
        font-size: 1.25rem;
    }
}