/* Budget App – simple, clean layout */
:root {
    --bg: #0f1419;
    --surface: #1a2332;
    --border: #2d3a4d;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --primary: #58a6ff;
    --primary-hover: #79b8ff;
    --danger: #f85149;
    --success: #3fb950;
    --radius: 8px;
    --font: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.5;
    color: var(--text);
    background: var(--bg);
    min-height: 100vh;
}

.main-content {
    max-width: 900px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* Header */
.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0.75rem 1.5rem;
}

.header-inner {
    max-width: 900px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text);
    text-decoration: none;
}

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

.main-nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
}

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

.user-email {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    font-family: inherit;
}

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

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

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

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

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

.btn-outline:hover {
    color: var(--text);
    border-color: var(--text-muted);
}

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

.btn-danger:hover {
    background: rgba(248, 81, 73, 0.15);
    color: var(--danger);
}

.btn-block {
    width: 100%;
    text-align: center;
}

.btn-sm { padding: 0.35rem 0.75rem; font-size: 0.875rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1.1rem; }

.transaction-actions { width: 2rem; text-align: center; }
.delete-transaction-form { display: inline; }
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.5rem;
    height: 1.5rem;
    padding: 0;
    border: none;
    border-radius: var(--radius);
    font-size: 1.1rem;
    line-height: 1;
    cursor: pointer;
    background: transparent;
    color: var(--text-muted);
}
.btn-icon:hover { color: var(--text); }
.btn-icon-delete { color: var(--danger); }
.btn-icon-delete:hover { background: rgba(248, 81, 73, 0.2); color: var(--danger); }

/* Flash messages */
.flash {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
}

.flash-success { background: rgba(63, 185, 80, 0.2); color: var(--success); border: 1px solid var(--success); }
.flash-error { background: rgba(248, 81, 73, 0.2); color: var(--danger); border: 1px solid var(--danger); }
.flash-warning { background: rgba(210, 153, 34, 0.2); color: #d29922; border: 1px solid #d29922; }

/* Auth pages */
.auth-page {
    min-height: calc(100vh - 60px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
}

.auth-card h1 {
    margin: 0 0 1.5rem;
    font-size: 1.5rem;
}

.auth-form .form-group {
    margin-bottom: 1rem;
}

.auth-form label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.auth-form input[type="email"],
.auth-form input[type="password"] {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg);
    color: var(--text);
}

.auth-form .btn-block {
    margin-top: 1rem;
}

.auth-form .checkbox-label {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: nowrap;
    margin-bottom: 0;
    color: var(--text) !important;
}

.auth-form .checkbox-label input[type="checkbox"] {
    flex-shrink: 0;
    width: auto;
    margin: 0;
    vertical-align: middle;
}

.auth-footer {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

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

/* Dashboard */
.dashboard-actions {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.month-selector {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
    padding: 0.875rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    flex-wrap: wrap;
}

.month-selector label {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

.month-picker {
    padding: 0.5rem 2rem 0.5rem 0.875rem;
    font-size: 1rem;
    font-weight: 500;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    min-width: 200px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='%238b949e'%3E%3Cpath d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
}

.month-picker:hover {
    border-color: var(--text-muted);
}

.month-picker:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(88, 166, 255, 0.25);
}

.checking-toggle {
    margin-bottom: 1.25rem;
    padding: 0.625rem 0;
}

.checking-toggle .inline-form {
    display: inline;
}

.toggle-label {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.toggle-label .toggle-text {
    color: var(--text);
}

.toggle-label .toggle-state {
    font-weight: 500;
    min-width: 2ch;
}

.inline-form { display: inline; }

.budget-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.budget-card h2 {
    margin: 0 0 1rem;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.budget-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-bottom: 1rem;
}

.budget-stat .label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.budget-stat .value {
    font-size: 1.5rem;
    font-weight: 600;
}

.budget-stat .value.spent { color: var(--danger); }
.budget-stat .value.remaining { color: var(--success); }

.progress-bar {
    height: 8px;
    background: var(--border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-caption {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin: 0 0 1rem;
}

.summary-chips {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.chip {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 0.4rem 0.9rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.accounts-section,
.transactions-section {
    margin-bottom: 2rem;
}

.accounts-section h2,
.transactions-section h2 {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin: 0 0 0.75rem;
}

.accounts-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.accounts-list li {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.95rem;
}

.plaid-items-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.plaid-item-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.plaid-item-accounts {
    flex: 1;
    min-width: 0;
}

.plaid-item-name {
    font-weight: 500;
    font-size: 0.95rem;
}

.accounts-sublist {
    list-style: none;
    padding: 0.25rem 0 0 0;
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.accounts-sublist li {
    padding: 0.15rem 0;
}

.unlink-form {
    flex-shrink: 0;
}

.muted {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.transactions-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.transactions-table th,
.transactions-table td {
    padding: 0.6rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

.transactions-table th {
    color: var(--text-muted);
    font-weight: 500;
}

.transactions-table .amount {
    text-align: right;
}

.transactions-table tr.outflow .amount { color: var(--danger); }
.transactions-table tr.inflow .amount { color: var(--success); }

/* Budget edit page */
.budget-page {
    max-width: 400px;
}

.budget-page h1 {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
}

.budget-summary-inline {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-group input {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-size: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
}

.form-group ul {
    list-style: none;
    padding: 0;
    margin: 0.25rem 0 0;
    font-size: 0.85rem;
    color: var(--danger);
}

/* Plaid link page */
.plaid-link-page {
    text-align: center;
    padding: 2rem;
}

.plaid-link-page h1 {
    margin: 0 0 0.5rem;
}

.plaid-link-page p {
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.plaid-link-page .btn-lg {
    margin-bottom: 1rem;
}