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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

.page-container {
    min-height: 100vh;
    padding-bottom: 60px;
}

.header {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    padding: 20px 15px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header h1 {
    font-size: 20px;
    font-weight: 600;
}

.header-actions {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #c0392b, #a93226);
}

.btn-secondary {
    background: #fff;
    color: #e74c3c;
    border: 1px solid #e74c3c;
}

.btn-block {
    display: block;
    width: 100%;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #555;
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: #e74c3c;
}

.card {
    background: white;
    border-radius: 12px;
    padding: 15px;
    margin: 15px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

.stat-card {
    text-align: center;
    padding: 20px;
}

.stat-value {
    font-size: 28px;
    font-weight: bold;
    color: #e74c3c;
}

.stat-label {
    font-size: 14px;
    color: #888;
    margin-top: 5px;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    display: flex;
    justify-content: space-around;
    padding: 10px 0;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: #888;
    font-size: 12px;
    padding: 5px 10px;
}

.nav-item.active {
    color: #e74c3c;
}

.nav-item i {
    font-size: 22px;
    margin-bottom: 3px;
}

.auth-container {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.auth-box {
    background: white;
    border-radius: 16px;
    padding: 30px 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.auth-title {
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-bottom: 30px;
}

.auth-logo {
    text-align: center;
    margin-bottom: 20px;
}

.auth-logo i {
    font-size: 60px;
    color: #e74c3c;
}

.auth-switch {
    text-align: center;
    margin-top: 20px;
    color: #666;
}

.auth-switch a {
    color: #e74c3c;
    text-decoration: none;
    font-weight: 500;
}

.list-item {
    display: flex;
    align-items: center;
    padding: 15px;
    background: white;
    border-bottom: 1px solid #f0f0f0;
}

.list-item:last-child {
    border-bottom: none;
}

.list-item-icon {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 12px;
}

.list-item-content {
    flex: 1;
}

.list-item-title {
    font-size: 16px;
    font-weight: 500;
    color: #333;
}

.list-item-desc {
    font-size: 13px;
    color: #888;
    margin-top: 3px;
}

.list-item-extra {
    text-align: right;
}

.list-item-amount {
    font-size: 18px;
    font-weight: bold;
}

.list-item-amount.in {
    color: #27ae60;
}

.list-item-amount.out {
    color: #e74c3c;
}

.list-item-date {
    font-size: 12px;
    color: #aaa;
    margin-top: 3px;
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #999;
}

.empty-state i {
    font-size: 60px;
    margin-bottom: 15px;
    color: #ddd;
}

.empty-state p {
    font-size: 14px;
}

.loading {
    text-align: center;
    padding: 20px;
    color: #888;
}

.toast {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 25px;
    border-radius: 8px;
    font-size: 14px;
    z-index: 1000;
    display: none;
}

.toast.show {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.mt-10 {
    margin-top: 10px;
}

.mt-20 {
    margin-top: 20px;
}

.mb-10 {
    margin-bottom: 10px;
}

.text-center {
    text-align: center;
}

.text-right {
    text-align: right;
}

.text-muted {
    color: #888;
}

.text-success {
    color: #27ae60;
}

.text-danger {
    color: #e74c3c;
}