* {
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    display: flex;
    flex-direction: column;
}

/* container jadi flexible */
.container {
    flex: 1;
}

body {
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    background: #f4f6fb;
}

/* ===== HEADER ===== */
.header {
    background: linear-gradient(135deg, #4e73df, #224abe);
    color: white;
    padding: 20px 30px;
    font-size: 20px;
    font-weight: bold;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

/* ===== CONTAINER ===== */
.container {
    padding: 20px 30px;
}

/* ===== CARD ===== */
.card {
    background: white;
    padding: 20px;
    border-radius: 14px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.06);
    transition: 0.2s;
}

.card:hover {
    transform: translateY(-2px);
}

/* ===== FLEX GRID ===== */
.row {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.col-8 {
    flex: 2;
}

.col-4 {
    flex: 1;
}

/* ===== TITLE ===== */
.card h3 {
    margin-top: 0;
    font-size: 16px;
    margin-bottom: 15px;
}

/* ===== TABLE ===== */
table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    border-radius: 10px;
    overflow: hidden;
}

/* HEADER */
table thead {
    background: #4e73df;
    color: white;
}

table th {
    padding: 10px;
    text-align: left;
}

/* BODY */
table td {
    padding: 8px;
    border-bottom: 1px solid #eee;
}

/* ZEBRA */
table tr:nth-child(even) {
    background: #fafafa;
}

/* HOVER */
table tr:hover {
    background: #eef3ff;
}

/* SUMMARY */
#tableSummary tr:last-child {
    background: #dce3ff;
    font-weight: bold;
}

/* ===== BUTTON ===== */
button {
    background: linear-gradient(135deg, #4e73df, #224abe);
    border: none;
    color: white;
    padding: 8px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
}

button:hover {
    opacity: 0.9;
}

/* PAGINATION */
#paginationTanggal button,
#paginationJam button {
    margin: 2px;
    padding: 5px 9px;
    font-size: 12px;
}

/* ACTIVE PAGE */
button[style*="font-weight:bold"] {
    background: #1cc88a !important;
}

/* ===== INPUT FILE ===== */
input[type="file"] {
    padding: 6px;
    background: white;
    border-radius: 6px;
    border: 1px solid #ddd;
    margin-right: 10px;
}

/* ===== RESPONSIVE ===== */
@media(max-width: 900px) {
    .row {
        flex-direction: column;
    }
}

/* ===== UPLOAD BOX ===== */
.upload-box {
    margin-bottom: 15px;
}

/* HIDE DEFAULT INPUT */
.upload-box input[type="file"] {
    display: none;
}

/* CUSTOM LABEL */
.upload-label {
    display: block;
    padding: 14px;
    border: 2px dashed #cfd8ff;
    border-radius: 10px;
    text-align: center;
    background: #fafbff;
    color: #4e73df;
    font-weight: 500;
    cursor: pointer;
    transition: 0.25s;
}

/* SUBTEXT */
.upload-label span {
    display: block;
    font-size: 12px;
    color: #888;
    margin-top: 5px;
}

/* HOVER EFFECT */
.upload-label:hover {
    background: #eef2ff;
    border-color: #4e73df;
}

/* ACTIVE (SAAT FILE DIPILIH) */
.upload-label.active {
    background: #e6ecff;
    border-color: #1cc88a;
    color: #1cc88a;
}

/* ===== FOOTER ===== */
.footer {
    margin-top: 40px;
    padding: 15px 30px;
    background: #3393ed;
    border-top: 1px solid #eaeaea;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #ffffff;
}

/* LEFT TEXT */
.footer-left b {
    color: #ffb405;
}

/* RIGHT LINK */
.footer-right a {
    margin-left: 15px;
    text-decoration: none;
    color: #ffffff;
    transition: 0.2s;
}

/* HOVER */
.footer-right a:hover {
    color: #4e73df;
}

/* RESPONSIVE */
@media(max-width: 600px) {
    .footer-content {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .footer-right a {
        margin: 0 8px;
    }
}

/* ===== LOADING OVERLAY ===== */
#loadingOverlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.85);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

/* BOX */
.loader-box {
    text-align: center;
}

/* SPINNER */
.spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #ddd;
    border-top: 5px solid #4e73df;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: auto;
}

/* TEXT */
#loadingText {
    margin-top: 10px;
    font-size: 14px;
    color: #333;
}

/* ANIMATION */
@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}