/* Global */
:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --success: #22c55e;
    --danger: #ef4444;
    --recording: #ef4444;
    --card-border: #e5e7eb;
    --category-expense: #ef4444;
    --category-income: #22c55e;
    --category-exercise: #3b82f6;
    --category-meal: #f59e0b;
    --category-health: #ec4899;
    --category-meeting: #8b5cf6;
    --category-travel: #06b6d4;
    --category-entertainment: #f97316;
    --category-work: #6b7280;
    --category-study: #14b8a6;
    --category-other: #9ca3af;
}

body {
    padding-bottom: 80px;
    padding-top: 56px;
    min-height: 100dvh;
}

main.container {
    max-width: 600px;
    padding-top: 1rem;
}

.view {
    display: none;
}

.view.active {
    display: block;
}

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

/* Top Bar */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    background: var(--background-color);
    border-bottom: 1px solid var(--card-border);
    z-index: 101;
}

.app-title {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary);
}

.user-menu {
    position: relative;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--card-border);
    background: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: var(--muted-color);
    transition: border-color 0.2s;
}

.user-avatar:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.user-dropdown {
    position: absolute;
    top: 44px;
    right: 0;
    background: var(--background-color);
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 0.75rem;
    min-width: 220px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    z-index: 200;
}

.dropdown-info {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.dropdown-item {
    display: block;
    width: 100%;
    background: none;
    border: none;
    padding: 8px 0;
    cursor: pointer;
    text-align: left;
    font-size: 0.9rem;
    color: var(--color);
}

.dropdown-item:hover { color: var(--primary); }
.dropdown-item.danger:hover { color: var(--danger); }

/* Record Button */
.record-area {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin: 2rem 0;
}

.record-btn {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 4px solid var(--primary);
    background: white;
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
}

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

.record-btn.recording {
    border-color: var(--recording);
    background: var(--recording);
    color: white;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    70% { box-shadow: 0 0 0 20px rgba(239, 68, 68, 0); }
    100% { box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
}

.mic-icon {
    width: 48px;
    height: 48px;
}

.timer {
    font-size: 1.5rem;
    font-weight: bold;
    font-variant-numeric: tabular-nums;
    color: var(--recording);
}

/* Loading */
.loading {
    text-align: center;
    padding: 2rem 0;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--card-border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 1rem;
}

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

/* Event Form */
#event-form fieldset {
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1rem;
}

#event-form legend {
    font-weight: 600;
    font-size: 0.9rem;
    padding: 0 0.5rem;
}

/* Shared toggle */
#shared-toggle-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    cursor: pointer;
}

/* Success */
.success-message {
    text-align: center;
    padding: 2rem 0;
}

.success-message p {
    color: var(--success);
    font-weight: 600;
    font-size: 1.2rem;
}

/* History */
.filters {
    margin-bottom: 1rem;
}

.event-card {
    border: 1px solid var(--card-border);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 0.75rem;
    position: relative;
    border-left: 4px solid var(--category-other);
}

.event-card[data-category="expense"] { border-left-color: var(--category-expense); }
.event-card[data-category="income"] { border-left-color: var(--category-income); }
.event-card[data-category="exercise"] { border-left-color: var(--category-exercise); }
.event-card[data-category="meal"] { border-left-color: var(--category-meal); }
.event-card[data-category="health"] { border-left-color: var(--category-health); }
.event-card[data-category="meeting"] { border-left-color: var(--category-meeting); }
.event-card[data-category="travel"] { border-left-color: var(--category-travel); }
.event-card[data-category="entertainment"] { border-left-color: var(--category-entertainment); }
.event-card[data-category="work"] { border-left-color: var(--category-work); }
.event-card[data-category="study"] { border-left-color: var(--category-study); }

.event-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.5rem;
}

.event-card .card-description {
    font-weight: 500;
    margin: 0;
    flex: 1;
}

.event-card .card-amount {
    font-weight: 700;
    font-size: 1.1rem;
    white-space: nowrap;
    margin-left: 0.5rem;
}

.event-card .card-meta {
    display: flex;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--muted-color);
    flex-wrap: wrap;
}

.category-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 2px 8px;
    border-radius: 4px;
    background: var(--card-border);
}

.shared-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: 4px;
    background: #dbeafe;
    color: #1e40af;
}

.partner-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    background: #fce7f3;
    color: #9d174d;
}

.event-card .card-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.5rem;
}

.btn-delete {
    background: none;
    border: none;
    color: var(--muted-color);
    cursor: pointer;
    padding: 4px 8px;
    font-size: 0.8rem;
    border-radius: 4px;
}

.btn-delete:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* Query */
.query-input-area {
    margin-bottom: 1rem;
}

.query-buttons {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.query-buttons .primary {
    flex: 1;
}

.record-small-btn {
    width: 48px;
    height: 48px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.record-small-btn.recording {
    border-color: var(--recording);
    background: var(--recording);
    color: white;
}

#query-result article {
    margin-bottom: 1rem;
}

#query-answer {
    font-size: 1.1rem;
    line-height: 1.6;
}

#query-sql {
    font-size: 0.8rem;
    white-space: pre-wrap;
    word-break: break-all;
}

/* Balance View */
.balance-summary {
    margin-bottom: 1rem;
}

.balance-text {
    font-size: 1.3rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
}

.balance-details {
    font-size: 0.95rem;
}

.balance-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
}

.balance-row.net {
    font-weight: 700;
    font-size: 1.05rem;
}

/* Bottom Navigation */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    display: flex;
    background: var(--background-color);
    border-top: 1px solid var(--card-border);
    z-index: 100;
    padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-nav button {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 0;
    border: none;
    background: none;
    color: var(--muted-color);
    cursor: pointer;
    font-size: 0.7rem;
    font-weight: 500;
    transition: color 0.2s;
}

.bottom-nav button.active {
    color: var(--primary);
}

.bottom-nav button svg {
    width: 24px;
    height: 24px;
}

/* Error */
.error-message {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin: 1rem 0;
    font-size: 0.9rem;
}

/* Status messages (used in login and invite) */
.status-message {
    text-align: center;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    font-size: 0.9rem;
}
.status-pending { background: #fef3c7; color: #92400e; }
.status-verified { background: #d1fae5; color: #065f46; }
.status-error { background: rgba(239, 68, 68, 0.1); color: var(--danger); }