:root {
    --kcs-green-dark: #1b3a2b;
    --kcs-green: #2e5d3c;
    --kcs-green-light: #4f8a5b;
    --kcs-gold: #d8b35a;
    --kcs-gold-light: #f6e7c1;
    --kcs-cream: #f7f5ee;
}

body {
    background: linear-gradient(180deg, #e8f1ea 0%, var(--kcs-cream) 320px, var(--kcs-cream) 100%);
    font-family: "Be Vietnam Pro", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    min-height: 100vh;
}

/* ---------- Login page ---------- */

/* Nen dong Vanta.js (hieu ung may/CLOUDS) phu kin man hinh, dung
   position:fixed de khong phu thuoc vao thu tu DOM. Gradient lam nen du
   phong trong luc script Vanta con dang tai hoac neu trinh duyet khong ho
   tro WebGL. */
#vanta-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    background-image: linear-gradient(180deg, #0f2818 0%, #1b3a2b 35%, #2e5d3c 70%, #4f8a5b 100%);
    background-size: cover;
    background-position: center;
}

.login-page {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.login-card {
    position: relative;
    background: rgba(255, 255, 255, 0.92);
    border-radius: 16px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
    padding: 2.5rem;
    width: 100%;
    max-width: 420px;
}

.login-card .login-logo {
    width: 72px;
    height: 72px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--kcs-green-dark);
    color: var(--kcs-gold);
    font-weight: bold;
    font-size: 0.85rem;
    text-align: center;
    line-height: 1.1;
    /* Drop a logo at static/img/logo-dongphu.png and swap this for an <img> */
}

.login-card h1 {
    font-size: 1.25rem;
    color: var(--kcs-green-dark);
    text-align: center;
    margin-bottom: 1.5rem;
}

/* Ten cong ty phai nam gon tren 1 dong, khong xuong dong du man hinh
   hep - dung clamp() de tu giam co chu theo be rong man hinh thay vi
   1 kich thuoc co dinh de khong bao gio bi tran ra ngoai khung. */
.login-card h1 .login-subtitle {
    display: block;
    white-space: nowrap;
    font-size: clamp(0.6rem, 2.8vw, 0.85rem);
    letter-spacing: 0.01em;
}

.login-card .btn-primary {
    background-color: var(--kcs-green);
    border-color: var(--kcs-green);
}

.login-card .btn-primary:hover {
    background-color: var(--kcs-green-dark);
    border-color: var(--kcs-green-dark);
}

/* ---------- Preload overlay ---------- */
#preload-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    background: var(--kcs-green-dark);
    color: var(--kcs-cream);
    transition: opacity 0.25s ease;
}

#preload-overlay.hide {
    opacity: 0;
    pointer-events: none;
}

#preload-overlay .preload-logo {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    border: 3px solid var(--kcs-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    text-align: center;
    line-height: 1.2;
    /* Drop a logo at static/img/logo-dongphu.png to show it here instead */
    background-image: url('../img/logo-dongphu.png');
    background-size: cover;
    background-position: center;
}

#preload-overlay .spinner-border {
    color: var(--kcs-gold);
}

/* ---------- Bo loc theo cot (bang nhap mu hang ngay) ---------- */
.col-filter {
    margin-top: 0.25rem;
    font-weight: normal;
}

.col-filter-select {
    font-size: 0.7rem;
    padding: 0.1rem 1.4rem 0.1rem 0.3rem;
    height: auto;
    min-width: 72px;
}

.col-filter-select.filtering {
    background-color: var(--kcs-gold-light);
    font-weight: 600;
}

/* ---------- App layout ---------- */
.navbar-kcs {
    background: linear-gradient(135deg, var(--kcs-green-dark) 0%, var(--kcs-green) 100%);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
}

.navbar-kcs .navbar-brand {
    font-weight: 700;
    letter-spacing: 0.3px;
    font-size: 0.9rem;
    white-space: nowrap;
}

.navbar-kcs .navbar-brand,
.navbar-kcs .nav-link {
    color: var(--kcs-cream) !important;
}

.navbar-kcs .navbar-nav {
    flex-wrap: wrap;
}

.navbar-kcs .navbar-collapse {
    flex-wrap: wrap;
}

.navbar-kcs .nav-link {
    border-radius: 6px;
    padding: 0.28rem 0.45rem;
    margin: 0 1px;
    font-size: 0.78rem;
    white-space: nowrap;
    transition: color 0.15s ease, background-color 0.15s ease;
}

.navbar-kcs .nav-link:hover {
    color: #fff !important;
    background-color: rgba(255, 255, 255, 0.1);
}

.navbar-kcs .nav-link.active {
    color: var(--kcs-green-dark) !important;
    background-color: var(--kcs-gold);
    font-weight: 600;
}

.dropdown-menu-xuat-pdf {
    border: none;
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    padding: 0.4rem;
    min-width: 220px;
}

.dropdown-menu-xuat-pdf .dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    font-weight: 500;
    transition: background-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.dropdown-menu-xuat-pdf .dropdown-item:hover,
.dropdown-menu-xuat-pdf .dropdown-item:focus {
    background-color: var(--kcs-gold-light);
    color: var(--kcs-green-dark);
    transform: translateX(2px);
}

.dropdown-menu-xuat-pdf .dropdown-item-icon {
    font-size: 1.1rem;
    line-height: 1;
    width: 1.4rem;
    text-align: center;
    flex-shrink: 0;
}

/* ---------- Page header banner ---------- */
.page-header {
    background: linear-gradient(135deg, var(--kcs-green-dark) 0%, var(--kcs-green) 100%);
    color: #fff;
    border-radius: 16px;
    padding: 1.25rem 1.75rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 24px rgba(27, 58, 43, 0.22);
    position: relative;
    overflow: hidden;
}

.page-header::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 55%, rgba(216, 179, 90, 0.2) 100%);
    pointer-events: none;
}

.page-header h2 {
    margin: 0;
    font-weight: 700;
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.page-header .page-subtitle {
    position: relative;
    color: var(--kcs-cream);
    opacity: 0.85;
    margin: 0.35rem 0 0;
    font-size: 0.9rem;
}

.page-header-gold {
    background: linear-gradient(135deg, var(--kcs-gold) 0%, var(--kcs-gold-light) 100%);
    color: var(--kcs-green-dark);
}

.page-header-gold .page-subtitle {
    color: var(--kcs-green-dark);
}

/* ---------- Filter / form panels ---------- */
.filter-bar {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(27, 58, 43, 0.07);
    border: 1px solid rgba(46, 93, 60, 0.08);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
}

/* ---------- Buttons ---------- */
.btn-success {
    background-color: var(--kcs-green);
    border-color: var(--kcs-green);
}

.btn-success:hover,
.btn-success:focus {
    background-color: var(--kcs-green-dark);
    border-color: var(--kcs-green-dark);
}

.btn-outline-success {
    color: var(--kcs-green);
    border-color: var(--kcs-green);
}

.btn-outline-success:hover {
    background-color: var(--kcs-green);
    border-color: var(--kcs-green);
    color: #fff;
}

.btn-primary {
    background-color: var(--kcs-green-dark);
    border-color: var(--kcs-green-dark);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--kcs-green);
    border-color: var(--kcs-green);
}

/* ---------- Data entry tables ---------- */
.table-card {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(27, 58, 43, 0.07);
    border: 1px solid rgba(46, 93, 60, 0.08);
    padding: 0.75rem;
    margin-bottom: 1.5rem;
}

.table-card .table-responsive {
    margin-bottom: 0;
}

.table-nhapmu {
    font-size: 0.85rem;
    margin-bottom: 0;
}

.table-nhapmu th {
    background: linear-gradient(135deg, var(--kcs-green) 0%, var(--kcs-green-dark) 100%);
    color: #fff;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    border-color: var(--kcs-green-dark);
}

.table-nhapmu td {
    vertical-align: middle;
}

.table-nhapmu tbody tr:nth-of-type(even) {
    background-color: rgba(79, 138, 91, 0.06);
}

.table-nhapmu tbody tr:hover {
    background-color: rgba(216, 179, 90, 0.18);
}

.table-nhapmu tfoot tr {
    background: linear-gradient(135deg, rgba(216, 179, 90, 0.5) 0%, rgba(216, 179, 90, 0.22) 100%) !important;
    font-weight: 700;
}

.table-nhapmu input,
.table-nhapmu select {
    min-width: 70px;
}

/* ---------- Fixed-width column layout (Nhập mủ hàng ngày) ---------- */
.table-fixed-cols {
    table-layout: fixed;
}

.table-fixed-cols input,
.table-fixed-cols select {
    width: 100%;
    min-width: 0;
}

.table-fixed-cols .col-tt {
    width: 2cm;
}

.table-fixed-cols .col-nt {
    width: 160px;
}

.table-fixed-cols .col-aptai {
    width: 3cm;
}

.table-fixed-cols .col-num {
    width: 3cm;
}

.table-fixed-cols .col-qk {
    width: 4cm;
}

.table-fixed-cols .col-del {
    width: 50px;
}

/* ---------- Nhập DRC mủ tạp: cân lại tỉ lệ cột cho 9 cột ---------- */
.table-drc.table-fixed-cols .col-tt {
    width: 80px;
}

.table-drc.table-fixed-cols .col-nt {
    width: 130px;
}

.table-drc.table-fixed-cols .col-num {
    width: 115px;
}

/* ---------- Quy đổi TSC:DRC ---------- */
.table-quy-doi.table-fixed-cols .col-quy-doi {
    width: 160px;
}

/* ---------- Dashboard cards (Trang chủ) ---------- */
.dashboard-card {
    border: none;
    border-top: 4px solid var(--kcs-gold);
    border-radius: 16px;
    box-shadow: 0 6px 20px rgba(27, 58, 43, 0.08);
    transition: transform 0.18s ease, box-shadow 0.18s ease;
    height: 100%;
}

.dashboard-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 14px 32px rgba(27, 58, 43, 0.18);
}

.dashboard-card .card-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 0.75rem;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--kcs-green-light) 0%, var(--kcs-green) 100%);
    color: #fff;
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(46, 93, 60, 0.3);
}

.dashboard-card .card-title {
    color: var(--kcs-green-dark);
    font-weight: 700;
}

/* ---------- Config panel (Trang chủ) ---------- */
.config-panel {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 16px rgba(27, 58, 43, 0.07);
    border: 1px solid rgba(46, 93, 60, 0.08);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
}

.config-panel .btn {
    border-radius: 24px;
    padding: 0.5rem 1.1rem;
}

/* ---------- Modal ---------- */
.modal-content {
    border: none;
    border-radius: 14px;
    overflow: hidden;
}

.modal-header {
    background: linear-gradient(135deg, var(--kcs-green-dark) 0%, var(--kcs-green) 100%);
    color: #fff;
    border-bottom: none;
}

.modal-header .btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
}

/* ---------- Footer ---------- */
.app-footer {
    text-align: center;
    color: var(--kcs-green);
    opacity: 0.7;
    font-size: 0.8rem;
    padding: 1.5rem 0 1rem;
}