/* ── Reset & base ─────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --green:        #1D9E75;
    --green-light:  #E1F5EE;
    --green-dark:   #0F6E56;
    --header-dark:  #1D4A3A;
    --text:         #1A1A1A;
    --text-muted:   #666;
    --border:       #E0E0E0;
    --bg:           #F5F7F6;
    --white:        #FFFFFF;
    --red:          #E24B4A;
    --amber:        #EF9F27;
    --radius:       8px;
    --sidebar-w:    240px;
}

body { font-family: 'Segoe UI', Arial, sans-serif; font-size: 14px;
       color: var(--text); background: var(--bg); }

a { color: var(--green); text-decoration: none; }
a:hover { color: var(--green-dark); }

/* ── Messages ─────────────────────────────────────────────────────────────── */
.messages { position: fixed; top: 16px; right: 16px; z-index: 1000;
            display: flex; flex-direction: column; gap: 8px; }
.message { padding: 12px 16px; border-radius: var(--radius);
           background: var(--white); border-left: 4px solid var(--green);
           box-shadow: 0 2px 8px rgba(0,0,0,.1);
           display: flex; align-items: center; gap: 12px; }
.message--error   { border-color: var(--red); }
.message--warning { border-color: var(--amber); }
.message__close   { background: none; border: none; cursor: pointer;
                    font-size: 18px; color: var(--text-muted); }

/* ── Layout ───────────────────────────────────────────────────────────────── */
.layout { display: flex; min-height: 100vh; }

/* ── Sidebar ──────────────────────────────────────────────────────────────── */
.sidebar { width: var(--sidebar-w); background: var(--header-dark);
           display: flex; flex-direction: column;
           position: fixed; top: 0; left: 0; height: 100vh;
           overflow-y: auto; }
.sidebar__brand { padding: 24px 16px; border-bottom: 1px solid rgba(255,255,255,.1);
                  display: flex; align-items: center; gap: 10px; }
.sidebar__logo  { width: 36px; height: 36px; object-fit: contain; border-radius: 4px; }
.sidebar__name  { color: var(--white); font-weight: 600; font-size: 13px;
                  line-height: 1.3; }
.sidebar__nav   { flex: 1; padding: 12px 0; }
.sidebar__footer{ padding: 12px 0; border-top: 1px solid rgba(255,255,255,.1); }

.nav-item { display: flex; align-items: center; gap: 10px;
            padding: 10px 16px; color: rgba(255,255,255,.7);
            font-size: 13px; transition: all .15s; }
.nav-item:hover,
.nav-item--active { background: rgba(255,255,255,.08);
                    color: var(--white); }
.nav-item--danger { color: rgba(255,100,100,.8); }
.nav-item--danger:hover { background: rgba(255,100,100,.1);
                          color: #ff6464; }
.nav-item__icon { font-size: 16px; width: 20px; text-align: center; }

/* ── Main ─────────────────────────────────────────────────────────────────── */
.main { margin-left: var(--sidebar-w); flex: 1; display: flex;
        flex-direction: column; min-height: 100vh; }

.topbar { background: var(--white); border-bottom: 1px solid var(--border);
          padding: 0 24px; height: 60px;
          display: flex; align-items: center; justify-content: space-between;
          position: sticky; top: 0; z-index: 100; }
.topbar__title { font-size: 18px; font-weight: 600; }
.topbar__actions { display: flex; gap: 8px; align-items: center; }

.content { padding: 24px; flex: 1; }

/* ── Cards / panels ───────────────────────────────────────────────────────── */
.panel { background: var(--white); border: 1px solid var(--border);
         border-radius: var(--radius); padding: 20px; margin-bottom: 20px; }
.panel__title { font-size: 15px; font-weight: 600; margin-bottom: 16px;
                padding-bottom: 12px; border-bottom: 1px solid var(--border); }

/* ── Stats row ────────────────────────────────────────────────────────────── */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
         gap: 16px; margin-bottom: 24px; }
.stat { background: var(--white); border: 1px solid var(--border);
        border-radius: var(--radius); padding: 16px; text-align: center; }
.stat__value { font-size: 28px; font-weight: 700; color: var(--green); }
.stat__label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ── Buttons ──────────────────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px;
       padding: 8px 16px; border-radius: var(--radius);
       font-size: 13px; font-weight: 500; cursor: pointer;
       border: 1px solid transparent; transition: all .15s; }
.btn--primary  { background: var(--green); color: var(--white); }
.btn--primary:hover { background: var(--green-dark); color: var(--white); }
.btn--secondary{ background: var(--white); color: var(--text);
                 border-color: var(--border); }
.btn--secondary:hover { border-color: var(--green); color: var(--green); }
.btn--danger   { background: var(--red); color: var(--white); }
.btn--danger:hover { opacity: .85; }
.btn--sm { padding: 5px 10px; font-size: 12px; }

/* ── Tables ───────────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th { text-align: left; padding: 10px 12px; font-weight: 600;
     border-bottom: 2px solid var(--border); color: var(--text-muted);
     font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
td { padding: 10px 12px; border-bottom: 1px solid var(--border);
     vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--bg); }

/* ── Badges ───────────────────────────────────────────────────────────────── */
.badge { display: inline-block; padding: 3px 8px; border-radius: 99px;
         font-size: 11px; font-weight: 500; }
.badge--active      { background: var(--green-light); color: var(--green-dark); }
.badge--unvalidated { background: #FFF3E0; color: #E65100; }
.badge--validated   { background: #E3F2FD; color: #1565C0; }
.badge--inactive    { background: #F5F5F5; color: #757575; }
.badge--deactivated { background: #FFEBEE; color: var(--red); }

/* ── Forms ────────────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 12px; font-weight: 600;
                    color: var(--text-muted); margin-bottom: 6px;
                    text-transform: uppercase; letter-spacing: .04em; }
.form-group input,
.form-group select,
.form-group textarea {
    width: 100%; padding: 8px 12px; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: 13px; color: var(--text);
    background: var(--white); transition: border-color .15s; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none; border-color: var(--green);
    box-shadow: 0 0 0 3px rgba(29,158,117,.1); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-errors { background: #FFEBEE; border: 1px solid var(--red);
               border-radius: var(--radius); padding: 12px 16px;
               margin-bottom: 16px; font-size: 13px; color: var(--red); }
.form-errors ul { margin-left: 16px; }

/* ── Card gallery ─────────────────────────────────────────────────────────── */
.gallery { display: grid;
           grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
           gap: 16px; }
.gallery-card { background: var(--white); border: 1px solid var(--border);
                border-radius: var(--radius); overflow: hidden;
                transition: box-shadow .15s; }
.gallery-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); }
.gallery-card__image { width: 100%; aspect-ratio: 917/1447;
                       object-fit: cover; display: block; }
.gallery-card__body  { padding: 10px 12px; }
.gallery-card__name  { font-weight: 600; font-size: 13px; }
.gallery-card__id    { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.gallery-card__footer{ padding: 8px 12px; border-top: 1px solid var(--border);
                       display: flex; align-items: center;
                       justify-content: space-between; }

/* ── Gallery tabs ─────────────────────────────────────────────────────────── */
.tabs { display: flex; gap: 4px; margin-bottom: 20px;
        border-bottom: 2px solid var(--border); }
.tab { padding: 8px 16px; font-size: 13px; font-weight: 500;
       color: var(--text-muted); cursor: pointer; border: none;
       background: none; border-bottom: 2px solid transparent;
       margin-bottom: -2px; transition: all .15s; }
.tab--active { color: var(--green); border-bottom-color: var(--green); }
.tab:hover   { color: var(--green); }

/* ── Login page ───────────────────────────────────────────────────────────── */
body.login { background: var(--header-dark);
             display: flex; align-items: center; justify-content: center;
             min-height: 100vh; }
.login-box { background: var(--white); border-radius: 12px;
             padding: 40px; width: 100%; max-width: 400px;
             box-shadow: 0 8px 32px rgba(0,0,0,.2); }
.login-box__logo { text-align: center; margin-bottom: 24px; }
.login-box__title{ font-size: 22px; font-weight: 700; text-align: center;
                   margin-bottom: 4px; }
.login-box__sub  { font-size: 13px; color: var(--text-muted);
                   text-align: center; margin-bottom: 28px; }

/* ── Checkout ─────────────────────────────────────────────────────────────── */
.checkout-item { display: flex; align-items: center; gap: 12px;
                 padding: 10px 0; border-bottom: 1px solid var(--border); }
.checkout-item:last-child { border-bottom: none; }
.checkout-item__thumb { width: 48px; height: 48px; object-fit: cover;
                        border-radius: 4px; }
.checkout-total { font-size: 18px; font-weight: 700; text-align: right;
                  padding-top: 16px; color: var(--green); }

/* ── Pagination ───────────────────────────────────────────────────────────── */
.pagination { display: flex; gap: 4px; justify-content: center;
              margin-top: 24px; }
.pagination a, .pagination span {
    padding: 6px 12px; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: 13px; }
.pagination a:hover { border-color: var(--green); color: var(--green); }
.pagination .current { background: var(--green); color: var(--white);
                       border-color: var(--green); }

/* ── Card flip ────────────────────────────────────────────────────────────── */
.gallery-card__image-wrap {
    cursor: pointer;
    position: relative;
}
.gallery-card__image-wrap::after {
    content: '⟳ flip';
    position: absolute;
    bottom: 6px;
    right: 6px;
    background: rgba(0,0,0,.45);
    color: white;
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    pointer-events: none;
}