:root {
    --op-red: #e10f1c;
    --op-red-dark: #b00c16;
    --op-black: #15171a;
    --op-ink: #1f2329;
    --op-gray: #6b7280;
    --op-line: #e7e9ee;
    --op-bg: #f6f7f9;
    --op-white: #ffffff;
    --op-green: #1b9e57;
    --op-radius: 14px;
    --op-shadow: 0 6px 24px rgba(20, 23, 26, .07);
}

* { font-family: 'Tajawal', system-ui, -apple-system, Segoe UI, Roboto, sans-serif; }

html { font-size: 15px; position: relative; min-height: 100%; }

body {
    background: var(--op-bg);
    color: var(--op-ink);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== Navbar ===== */
.op-navbar { background: var(--op-black); box-shadow: 0 2px 12px rgba(0, 0, 0, .12); padding: .6rem 0; }
.op-brand { display: flex; align-items: baseline; gap: .4rem; text-decoration: none; }
.op-brand-mark { color: #fff; font-weight: 800; letter-spacing: 1px; font-size: 1.2rem; border-right: 4px solid var(--op-red); padding-right: .5rem; }
.op-brand-mark i { color: var(--op-red); }
.op-brand-sub { color: var(--op-red); font-weight: 700; font-size: .95rem; }

.op-navbar .nav-link { color: #d7dae0 !important; font-weight: 500; border-radius: 8px; padding: .45rem .8rem !important; transition: all .15s ease; }
.op-navbar .nav-link:hover { color: #fff !important; background: rgba(255, 255, 255, .07); }
.op-navbar .nav-link i { color: var(--op-red); margin-left: .25rem; }

.op-user { color: #cfd3da; font-size: .9rem; }
.op-user i { color: var(--op-red); }
.op-role-badge { background: var(--op-red); color: #fff; font-size: .72rem; font-weight: 700; padding: .12rem .5rem; border-radius: 999px; margin-right: .35rem; }

.navbar-toggler { border-color: rgba(255, 255, 255, .25); }
.navbar-toggler-icon { filter: invert(1); }

/* ===== Buttons ===== */
.op-btn, .btn-op { background: var(--op-red); border: 1px solid var(--op-red); color: #fff; font-weight: 700; border-radius: 10px; padding: .55rem 1.3rem; transition: all .15s ease; }
.op-btn:hover, .btn-op:hover { background: var(--op-red-dark); border-color: var(--op-red-dark); color: #fff; }
.op-btn-outline { background: transparent; border: 1px solid rgba(255, 255, 255, .35); color: #fff; border-radius: 8px; font-weight: 600; }
.op-btn-outline:hover { background: var(--op-red); border-color: var(--op-red); color: #fff; }
.op-btn-dark { background: var(--op-black); border: 1px solid var(--op-black); color: #fff; font-weight: 700; border-radius: 10px; padding: .55rem 1.3rem; }
.op-btn-dark:hover { background: #000; color: #fff; }

/* ===== Layout ===== */
.op-main { flex: 1 0 auto; padding-top: 2rem; padding-bottom: 3rem; }
.op-card { background: var(--op-white); border: 1px solid var(--op-line); border-radius: var(--op-radius); box-shadow: var(--op-shadow); padding: 1.5rem; }
.op-page-title { font-weight: 800; color: var(--op-black); margin-bottom: .25rem; }
.op-page-sub { color: var(--op-gray); margin-bottom: 1.5rem; }
.op-accent { color: var(--op-red); }

/* ===== Footer ===== */
.op-footer { flex-shrink: 0; background: var(--op-black); color: #aeb3bb; padding: 1rem 0; font-size: .85rem; text-align: center; }
.op-footer strong { color: #fff; }
.op-footer span strong { border-bottom: 2px solid var(--op-red); }

/* ===== Auth ===== */
.op-auth-wrap { min-height: calc(100vh - 60px); display: flex; align-items: center; justify-content: center; padding: 2rem 1rem; }
.op-auth-card { width: 100%; max-width: 410px; background: #fff; border-radius: 18px; box-shadow: 0 18px 50px rgba(20, 23, 26, .14); overflow: hidden; }
.op-auth-head { background: var(--op-black); color: #fff; padding: 2rem 2rem 1.5rem; text-align: center; }
.op-auth-head .mark { font-weight: 800; font-size: 1.5rem; letter-spacing: 1px; }
.op-auth-head .mark span { color: var(--op-red); }
.op-auth-head p { color: #aeb3bb; margin: .4rem 0 0; font-size: .9rem; }
.op-auth-body { padding: 1.8rem 2rem 2rem; }

.form-control:focus, .form-select:focus { border-color: var(--op-red); box-shadow: 0 0 0 .2rem rgba(225, 15, 28, .12); }
.form-label { font-weight: 600; color: var(--op-ink); }

/* ===== Stat / action cards ===== */
.op-stat { background: #fff; border: 1px solid var(--op-line); border-radius: var(--op-radius); padding: 1.3rem 1.4rem; box-shadow: var(--op-shadow); height: 100%; }
.op-stat .op-stat-icon { width: 46px; height: 46px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center; background: rgba(225, 15, 28, .1); color: var(--op-red); font-size: 1.3rem; margin-bottom: .8rem; }
.op-stat .op-stat-value { font-size: 1.8rem; font-weight: 800; color: var(--op-black); }
.op-stat .op-stat-label { color: var(--op-gray); font-size: .9rem; }
.op-stat.green .op-stat-icon { background: rgba(27, 158, 87, .12); color: var(--op-green); }
.op-stat.green .op-stat-value { color: var(--op-green); }

.op-action-card { display: block; background: #fff; border: 1px solid var(--op-line); border-radius: var(--op-radius); padding: 1.5rem; box-shadow: var(--op-shadow); text-decoration: none; color: var(--op-ink); transition: all .15s ease; height: 100%; }
.op-action-card:hover { border-color: var(--op-red); transform: translateY(-2px); color: var(--op-ink); }
.op-action-card i { font-size: 1.6rem; color: var(--op-red); }
.op-action-card h5 { font-weight: 700; margin: .7rem 0 .3rem; }
.op-action-card p { color: var(--op-gray); font-size: .88rem; margin: 0; }

/* ===== Tables ===== */
.op-table { background: #fff; border-radius: var(--op-radius); overflow: hidden; box-shadow: var(--op-shadow); border: 1px solid var(--op-line); }
.op-table table { margin: 0; }
.op-table thead th { background: #fafbfc; color: var(--op-gray); font-weight: 700; font-size: .82rem; text-transform: none; border-bottom: 1px solid var(--op-line); }
.op-table td { vertical-align: middle; }

.badge-soft { background: rgba(225,15,28,.1); color: var(--op-red); font-weight: 700; border-radius: 999px; padding: .25rem .6rem; font-size: .78rem; }
.badge-soft.green { background: rgba(27,158,87,.12); color: var(--op-green); }
.badge-soft.gray { background: #eef0f3; color: var(--op-gray); }

/* ===== POS ===== */
.pos-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 1.2rem; }
@media (max-width: 900px) { .pos-grid { grid-template-columns: 1fr; } }
.pos-cart-line { display: flex; align-items: center; gap: .5rem; padding: .5rem 0; border-bottom: 1px dashed var(--op-line); }
.swatch { display: inline-block; width: 14px; height: 14px; border-radius: 50%; border: 1px solid rgba(0,0,0,.15); vertical-align: middle; margin-left: .25rem; }

/* ===== Chat ===== */
.chat-box { height: 55vh; overflow-y: auto; display: flex; flex-direction: column; gap: .5rem; padding: .5rem; background: var(--op-bg); border-radius: 10px; }
.chat-msg { display: flex; }
.chat-msg.mine { justify-content: flex-start; }
.chat-msg:not(.mine) { justify-content: flex-end; }
.chat-bubble { max-width: 75%; background: #fff; border: 1px solid var(--op-line); border-radius: 12px; padding: .5rem .8rem; box-shadow: var(--op-shadow); }
.chat-msg.mine .chat-bubble { background: rgba(225,15,28,.07); border-color: rgba(225,15,28,.2); }
.chat-sender { font-weight: 700; font-size: .78rem; color: var(--op-red); margin-bottom: .15rem; }
.chat-time { font-size: .68rem; color: var(--op-gray); text-align: left; margin-top: .15rem; }

/* ===== Reports sidebar ===== */
.reports-nav .list-group-item { color: var(--op-ink); font-weight: 600; padding: .6rem .8rem; margin-bottom: .15rem; }
.reports-nav .list-group-item i { color: var(--op-red); margin-left: .4rem; }
.reports-nav .list-group-item:hover { background: var(--op-bg); }
.reports-nav .list-group-item.active-report { background: var(--op-red); color: #fff; }
.reports-nav .list-group-item.active-report i { color: #fff; }