@import url('https://fonts.googleapis.com/css2?family=Assistant:wght@400;500;600;700;800&display=swap');

:root {
    --color-bg: #faf7f2;
    --color-surface: #ffffff;
    --color-border: #e8e1d6;
    --color-text: #2b2a28;
    --color-text-muted: #8a8378;

    --color-primary: #3d5a80;
    --color-primary-hover: #2f4761;
    --color-primary-tint: rgba(61, 90, 128, 0.1);

    --color-accent: #e0955f;
    --color-accent-tint: rgba(224, 149, 95, 0.16);

    --color-danger: #c1533d;
    --color-danger-hover: #a8402c;
    --color-danger-bg: #fbeae5;

    --color-success: #3d7a5c;
    --color-success-bg: #e9f4ee;

    --radius: 12px;
    --shadow: 0 1px 3px rgba(43, 42, 40, 0.07), 0 1px 2px rgba(43, 42, 40, 0.05);
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Assistant', "Segoe UI", Arial, Helvetica, sans-serif;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ---------- Login ---------- */
.login-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-wrap {
    width: 100%;
    max-width: 380px;
}

.login-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 36px 28px 32px;
}

.login-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin: 0 0 26px;
    text-align: center;
    line-height: 1.45;
}

.login-title br + * {
    font-weight: 500;
}

/* ---------- Shared form elements ---------- */
.field-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin: 14px 0 6px;
    color: var(--color-text);
}

.field-input {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 1rem;
    background: var(--color-surface);
    color: var(--color-text);
    font-family: inherit;
}

select.field-input {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%238a8378' d='M6 8 0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 12px center;
    padding-left: 32px;
}

.field-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-tint);
}

.amount-input-wrap {
    position: relative;
}

.amount-input {
    padding-left: 44px;
}

.amount-suffix {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    pointer-events: none;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border: none;
    border-radius: 8px;
    padding: 10px 18px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    text-decoration: none;
    transition: background-color 0.15s ease, opacity 0.15s ease;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-block {
    width: 100%;
    margin-top: 22px;
}

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

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-hover);
}

.btn-secondary {
    background: #f1ede5;
    color: var(--color-text);
}

.btn-secondary:hover:not(:disabled) {
    background: #e6e0d5;
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
}

.btn-ghost:hover {
    background: #f1ede5;
}

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

.btn-danger:hover:not(:disabled) {
    background: #f6d9d0;
}

.btn-small {
    padding: 6px 12px;
    font-size: 0.85rem;
}

.alert {
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-top: 14px;
}

.alert-error {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border: 1px solid #f0c7bb;
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid #c3e0d0;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 0.9rem;
    margin-top: 14px;
}

/* ---------- App shell ---------- */
.app-shell {
    max-width: 760px;
    margin: 0 auto;
    padding: 16px 16px 100px;
    min-height: 100vh;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 18px 4px 22px;
    flex-wrap: wrap;
}

.greeting-title {
    font-size: 1.3rem;
    font-weight: 700;
    margin: 0;
    color: var(--color-text);
}

.app-header-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 18px;
}

.section-title {
    font-size: 1.02rem;
    font-weight: 700;
    margin: 0 0 4px;
}

.form-row-group {
    display: flex;
    gap: 14px;
}

.form-row-group .form-row {
    flex: 1;
    min-width: 0;
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 18px;
}

/* ---------- Expense list ---------- */
.expenses-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 14px;
}

.expense-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    background: #fffefc;
}

.expense-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--color-accent-tint);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.expense-main {
    min-width: 0;
    flex: 1;
}

.expense-description {
    font-weight: 600;
    font-size: 0.98rem;
    overflow-wrap: break-word;
}

.expense-date {
    font-size: 0.82rem;
    color: var(--color-text-muted);
    margin-top: 2px;
}

.expense-meta {
    font-size: 0.78rem;
    color: var(--color-text-muted);
    margin-top: 2px;
    opacity: 0.85;
}

.expense-amount {
    font-weight: 700;
    font-size: 1.02rem;
    white-space: nowrap;
    color: var(--color-primary);
}

.expense-actions {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.icon-btn {
    border: 1px solid var(--color-border);
    background: #fff;
    border-radius: 6px;
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    color: var(--color-text-muted);
    transition: background-color 0.15s ease;
}

.icon-btn:hover {
    background: #f1ede5;
}

.icon-btn.danger:hover {
    background: var(--color-danger-bg);
    color: var(--color-danger);
    border-color: #f0c7bb;
}

.empty-state {
    text-align: center;
    color: var(--color-text-muted);
    padding: 30px 10px;
    font-size: 0.92rem;
}

.list-status {
    text-align: center;
    color: var(--color-text-muted);
    padding: 14px 0;
    font-size: 0.9rem;
}

/* ---------- Footer / total ---------- */
.app-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    box-shadow: 0 -2px 8px rgba(43, 42, 40, 0.05);
}

.total-row {
    max-width: 760px;
    margin: 0 auto;
    padding: 14px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.total-label {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.total-amount {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--color-primary);
}

/* ---------- Toast ---------- */
.toast {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    background: #2b2a28;
    color: #fff;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 0.9rem;
    z-index: 999;
    box-shadow: var(--shadow);
    max-width: 90vw;
    text-align: center;
}

.toast.toast-error {
    background: var(--color-danger);
}

/* ---------- Responsive ---------- */
@media (max-width: 520px) {
    .form-row-group {
        flex-direction: column;
        gap: 0;
    }

    .app-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .expense-row {
        flex-wrap: wrap;
    }

    .expense-amount {
        order: 3;
        width: 100%;
        margin-top: 4px;
    }
}