/* IVY PDF Generator — Base Styles */

:root {
    --color-bg: #fafafa;
    --color-surface: #ffffff;
    --color-text: #1a1a1a;
    --color-text-muted: #6b7280;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-danger: #dc2626;
    --color-danger-hover: #b91c1c;
    --color-success: #16a34a;
    --color-warning: #d97706;
    --color-border: #e5e7eb;
    --color-border-focus: #2563eb;
    --color-input-bg: #ffffff;
    --radius: 8px;
    --radius-sm: 4px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 4px 6px rgba(0, 0, 0, 0.1), 0 2px 4px rgba(0, 0, 0, 0.06);
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: "SF Mono", "Fira Code", monospace;
    --max-width: 1200px;
}

/* Reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

@media (max-width: 640px) {
    html {
        font-size: 17px;
    }
}

/* Container */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

/* Navbar */
.navbar {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 56px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.navbar-brand a {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--color-text);
    text-decoration: none;
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.navbar-links a {
    padding: 0.5rem 0.75rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: color 0.15s, background 0.15s;
}

.navbar-links a:hover {
    color: var(--color-text);
    background: var(--color-bg);
}

.navbar-links a.active {
    color: var(--color-primary);
    background: rgba(37, 99, 235, 0.08);
}

.navbar-logout {
    margin-left: 0.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    font-weight: 500;
    font-family: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: all 0.15s;
    text-decoration: none;
    line-height: 1.4;
}

.btn:hover {
    background: var(--color-bg);
    border-color: #d1d5db;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

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

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

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

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

.btn-ghost {
    border: none;
    background: transparent;
    color: var(--color-text-muted);
}

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

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
}

.btn-full {
    width: 100%;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
    color: var(--color-text);
}

.form-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-top: 0.25rem;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    font-family: inherit;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-input-bg);
    color: var(--color-text);
    transition: border-color 0.15s;
    line-height: 1.5;
}

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

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

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-checkbox input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--color-primary);
}

/* Cards */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
}

/* Grid */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }

@media (max-width: 768px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

/* Flash messages */
.flash {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.9rem;
}

.flash-info {
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    color: #1e40af;
}

.flash-success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #166534;
}

.flash-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.flash-warning {
    background: #fffbeb;
    border: 1px solid #fde68a;
    color: #92400e;
}

.flash-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    padding: 0 0.25rem;
}

.flash-close:hover {
    opacity: 1;
}

/* Login */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 120px);
}

.login-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.login-card h1 {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.login-subtitle {
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

/* Page headers */
.page-header {
    margin-bottom: 1.5rem;
}

.page-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
}

.page-header p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* Tables */
.table-container {
    overflow-x: auto;
}

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

th, td {
    text-align: left;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-border);
}

th {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    background: var(--color-bg);
}

tr:hover td {
    background: #f9fafb;
}

/* Search */
.search-bar {
    margin-bottom: 1rem;
}

.search-bar .form-input {
    max-width: 400px;
}

/* Utility */
.text-muted { color: var(--color-text-muted); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.text-sm { font-size: 0.85rem; }
.text-mono { font-family: var(--font-mono); font-size: 0.85rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }

/* Empty state */
.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--color-text-muted);
}

.empty-state p {
    font-size: 0.95rem;
}

/* HTMX indicator */
.htmx-indicator {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 200;
    height: 3px;
    background: var(--color-primary);
    animation: progress 1.5s ease-in-out infinite;
}

.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
    display: block;
}

@keyframes progress {
    0% { transform: translateX(-100%); }
    50% { transform: translateX(0%); }
    100% { transform: translateX(100%); }
}

/* Spinner */
.spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}

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

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.badge-success {
    background: #f0fdf4;
    color: #166534;
}

.badge-info {
    background: #eff6ff;
    color: #1e40af;
}

.badge-warning {
    background: #fffbeb;
    color: #92400e;
}

/* Paste zone */
.paste-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    transition: border-color 0.15s, background 0.15s;
}

.paste-zone:focus-within,
.paste-zone.paste-active {
    border-color: var(--color-primary);
    background: rgba(37, 99, 235, 0.04);
}

.paste-zone-text {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.paste-zone-hint {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

/* Divider */
.divider {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 1.5rem 0;
}