/* --- Global Reset & Base Styles --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-weight: bold;
    /* border: 1px solid red; */
    animation: all 1s ease-in-out;
}

body {
    width: 100%;
    height: 100vh;
    background: var(--primary);
    color: var(--on-primary);
    font-family: Sans-Serif;
    overflow: hidden;
}

/* --- Layout Structure --- */
.app {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
}

.container {
}

/* --- Top Section --- */
.top {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    background: var(--surface);
    border-radius: 0 0 32px 32px;
}

.top .header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header h3 {
    padding: 12px;
    color: var(--primary);
    font-size: 24px;
}

#setting {
    padding: 8px 12px;
    background: var(--surface-variant);
    color: var(--on-surface-variant);
    border: none;
    border-radius: 100px;
    display: flex;
    align-items: center;
    user-select: none;
}

/* --- Saldo --- */
.saldo {
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: center;
    color: var(--primary);
    padding-bottom: 20px;
}

.saldo-header {
    display: flex;
    justify-content: center;
    margin-bottom: 8px;
}

.group {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background: var(--primary-container);
    color: var(--on-primary-container);
    border-radius: 12px;
}

#sisa-saldo {
    font-size: 36px;
    display: block;
    color: var(--on-primary-container); /* Pastikan angka saldo terlihat */
}

/* --- Buttons --- */
.mid {
    padding: 20px;
    display: flex;
    gap: 12px;
}

.action-button {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px;
    gap: 4px;
    border-radius: 24px;
    user-select: none;
}

#keluar {
    background: var(--error-container);
    color: var(--on-error-container);
}
#masuk {
    background: var(--primary-container);
    color: var(--on-primary-container);
}

/* --- History --- */
.bottom {
    flex: 1;
    background: var(--background);
    border-radius: 32px 32px 0 0;
    overflow-y: auto;
}

.history-header {
    position: sticky;
    top: 0;
    backdrop-filter: blur(4px);
    padding: 20px;
    z-index: 5;
}

.history-header h3 {
    color: var(--on-background);
}
.history-content {
    padding: 10px;
}
.history-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    margin-bottom: 4px;
}

.history-icon {
    padding: 10px;
    border-radius: 100px;
    display: flex;
    align-items: center;
}
.masuk,
.keluar {
    border-radius: 100px;
}
.masuk {
    background: var(--primary-container);
}
.keluar {
    background: var(--error-container);
}
/* Penyesuaian warna ikon agar kontras */

.masuk .history-icon {
    background: var(--primary);
    color: var(--on-primary);
}
.keluar .history-icon {
    background: var(--error);
    color: var(--on-error);
}

.keterangan {
    flex: 1;
}

/* PERBAIKAN: Paksa warna teks agar terbaca jelas */
.keterangan p {
    font-size: 14px;
    color: var(--on-surface);
}

.keterangan small {
    font-size: 11px;
    color: var(--on-surface-variant);
}

.history-value {
    color: var(--on-surface); /* Pastikan angka transaksi terlihat */
}

/* --- Overlays & Modals --- */
.popup-overlay,
.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.modal {
    width: 100%;
    background: var(--surface);
    padding: 24px;
    border-radius: 32px 32px 0 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
    color: var(--on-surface);
}

#input-value {
    padding: 16px;
    border-radius: 20px;
    border: none;
    background: var(--surface-variant);
    text-align: center;
    font-size: 20px;
    color: var(--on-surface-variant);
    outline: none;
}

#save-value {
    padding: 16px;
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    border-radius: 20px;
    cursor: pointer;
}

.menu-window {
    position: absolute;
    top: 80px;
    right: 20px;
    background: var(--surface);
    padding: 12px;
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.menu-button {
    padding: 12px 20px;
    background: var(--surface-variant);
    color: var(--on-surface-variant);
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    user-select: none;
}
.menu-button:active,
#masuk:active,
#keluar:active,
#setting:active {
    transform: scale(1.1);
    transition: transform 0.3s ease-in-out;
}
.menu-button.delete-all {
    background: var(--error-container);
    color: var(--on-error-container) !important;
}

.menu-button.delete-all .material-symbols-rounded {
    color: var(--error);
}