* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--tg-theme-bg-color, #ffffff);
    color: var(--tg-theme-text-color, #000000);
    padding: 16px;
    padding-bottom: 80px;
}

.container {
    max-width: 480px;
    margin: 0 auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.header h1 { font-size: 22px; font-weight: 700; }
#userInfo { font-size: 14px; color: var(--tg-theme-hint-color, #888); }

.card {
    background: var(--tg-theme-secondary-bg-color, #f4f4f5);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 12px;
}

.card-title { font-size: 13px; color: var(--tg-theme-hint-color, #888); margin-bottom: 2px; }
.card-value { font-size: 24px; font-weight: 700; }
.card-sub { font-size: 12px; color: var(--tg-theme-hint-color, #888); margin-top: 2px; }
.card-header { display: flex; justify-content: space-between; font-weight: 600; margin-bottom: 10px; }
.view-all { color: var(--tg-theme-button-color, #3390ec); font-size: 13px; }

.row { display: flex; gap: 12px; flex-wrap: wrap; }
.col { flex: 1; min-width: 80px; }

.stat-label { font-size: 13px; color: var(--tg-theme-hint-color, #888); }
.stat-value { font-size: 18px; font-weight: 600; }

/* Form */
.input-group { margin-bottom: 12px; }
.input-group label { display: block; font-size: 14px; margin-bottom: 4px; font-weight: 500; }
.input-group input {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--tg-theme-hint-color, #ccc);
    border-radius: 8px;
    font-size: 16px;
    background: var(--tg-theme-bg-color, #fff);
    color: var(--tg-theme-text-color, #000);
    outline: none;
}
.input-group input:focus { border-color: var(--tg-theme-button-color, #3390ec); }

button {
    width: 100%;
    padding: 12px;
    background: var(--tg-theme-button-color, #3390ec);
    color: var(--tg-theme-button-text-color, #fff);
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 4px;
}
button:disabled { opacity: 0.6; }
.btn-secondary { background: #888; margin-top: 8px; }

.message {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 12px;
    display: none;
}
.message.error { display: block; background: #ffebee; color: #c62828; }
.message.success { display: block; background: #e8f5e9; color: #2e7d32; }
.message.info { display: block; background: #e3f2fd; color: #0d47a1; }

/* Navigation */
.nav-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--tg-theme-bg-color, #fff);
    border-top: 1px solid var(--tg-theme-hint-color, #ddd);
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    max-width: 480px;
    margin: 0 auto;
}
.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--tg-theme-hint-color, #888);
    font-size: 10px;
    padding: 4px 12px;
}
.nav-item.active { color: var(--tg-theme-button-color, #3390ec); }
.nav-icon { font-size: 22px; }
.nav-label { margin-top: 2px; }

/* Account list */
.account-item {
    display: flex;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--tg-theme-hint-color, #eee);
}
.account-status {
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}
.status-pending { background: #fff3cd; color: #856404; }
.status-accepted { background: #d4edda; color: #155724; }
.status-rejected { background: #f8d7da; color: #721c24; }