:root {
    --bg: #f5f5f7;
    --card-bg: #ffffff;
    --text: #1d1d1f;
    --text-secondary: #6e6e73;
    --divider: rgba(0,0,0,0.07);
    --accent: #b8902e;
    --accent-soft: rgba(184,144,46,0.10);
    --navy: #1c2841;
    --navy-soft: rgba(28,40,65,0.06);
    --success: #2fa66b;
    --success-soft: rgba(47,166,107,0.12);
    --danger: #d64545;
    --danger-soft: rgba(214,69,69,0.10);
    --input-bg: #ffffff;
    --radius-lg: 22px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow-card: 0 1px 2px rgba(0,0,0,0.04), 0 10px 28px rgba(0,0,0,0.06);
    --shadow-elevated: 0 4px 14px rgba(0,0,0,0.08), 0 18px 44px rgba(0,0,0,0.10);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Tahoma, sans-serif;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    font-size: 14.5px;
    line-height: 1.5;
}

a { text-decoration: none; color: inherit; }

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

.sidebar {
    width: 260px;
    flex-shrink: 0;
    background: rgba(255,255,255,0.72);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    border-left: 1px solid var(--divider);
    padding: 32px 20px;
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
}
.brand { padding: 0 12px 28px; }
.brand-title { font-size: 21px; font-weight: 700; letter-spacing: -0.02em; color: var(--text); }
.brand-sub { font-size: 12.5px; color: var(--text-secondary); margin-top: 2px; }

.nav-link {
    display: flex; align-items: center; gap: 10px;
    padding: 11px 16px; border-radius: 12px; margin-bottom: 2px;
    color: var(--text); font-size: 14.5px; font-weight: 500;
    transition: background 0.15s ease;
}
.nav-link:hover { background: rgba(0,0,0,0.045); }
.nav-link.active { background: var(--navy); color: #fff; box-shadow: var(--shadow-card); }
.sidebar-bottom { margin-top: auto; }
.nav-link.logout { color: var(--danger); }

.content { flex: 1; padding: 44px 56px; max-width: 1360px; }
.page-title { font-size: 28px; font-weight: 700; letter-spacing: -0.02em; margin-bottom: 22px; }

/* ================= cards ================= */
.card {
    background: var(--card-bg); border-radius: var(--radius-lg);
    padding: 28px 30px; box-shadow: var(--shadow-card); margin-bottom: 24px;
    border: 1px solid rgba(0,0,0,0.02);
}
.card-title { font-size: 17px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 18px; }

.cards-row { display: flex; gap: 18px; margin-bottom: 28px; flex-wrap: wrap; }
.stat-card {
    flex: 1; min-width: 190px;
    background: var(--card-bg); border-radius: var(--radius-lg);
    padding: 24px 26px; box-shadow: var(--shadow-card);
    border: 1px solid rgba(0,0,0,0.02);
}
.stat-card .label { font-size: 13px; color: var(--text-secondary); font-weight: 500; }
.stat-card .value { font-size: 30px; font-weight: 700; letter-spacing: -0.02em; margin-top: 8px; color: var(--accent); }

/* ================= tables ================= */
table { width: 100%; border-collapse: collapse; }
th { text-align: center; font-size: 12.5px; font-weight: 600; color: var(--text-secondary); padding: 0 8px 14px; }
td { padding: 15px 8px; font-size: 14px; border-top: 1px solid var(--divider); text-align: center; }
tr:first-child td { border-top: none; }
tr:hover td { background: rgba(0,0,0,0.015); }

/* ================= badges/pills ================= */
.badge {
    display: inline-block; padding: 4px 13px; border-radius: 100px;
    font-size: 12px; font-weight: 600;
}
.badge-coffee { background: var(--accent-soft); color: var(--accent); }
.badge-blend { background: var(--success-soft); color: var(--success); }
.badge-powder { background: rgba(90,140,220,0.12); color: #3f7cc9; }

/* ================= buttons ================= */
.btn {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 10px 20px; border-radius: 100px; border: none; cursor: pointer;
    font-family: inherit; font-size: 14px; font-weight: 600;
    transition: transform 0.12s ease, box-shadow 0.12s ease, opacity 0.12s ease;
}
.btn:active { transform: scale(0.96); }
.btn:hover { opacity: 0.92; }
.btn-accent { background: var(--accent); color: #fff; box-shadow: var(--shadow-card); }
.btn-secondary { background: rgba(0,0,0,0.045); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; box-shadow: var(--shadow-card); }
.btn-sm { padding: 7px 14px; font-size: 12.5px; }

/* ================= forms ================= */
input[type=text], input[type=number], input[type=password], input[type=date],
input[type=file], select, textarea {
    background: var(--input-bg);
    color: var(--text);
    border: 1px solid var(--divider);
    border-radius: var(--radius-sm);
    padding: 10px 14px;
    font-family: inherit;
    font-size: 14px;
    transition: box-shadow 0.12s ease, border-color 0.12s ease;
}
input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft);
}
label { color: var(--text); font-size: 13px; font-weight: 500; }

.form-row { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.form-row label { min-width: 150px; text-align: left; color: var(--text-secondary); }
.form-row input, .form-row select { flex: 1; min-width: 140px; }

/* ================= dynamic tables (ingredients, cost items, tiers) ================= */
.dyn-table { width: 100%; margin-bottom: 10px; border-collapse: separate; border-spacing: 0 6px; }
.dyn-table th { font-size: 11.5px; padding-bottom: 6px; }
.dyn-table td { border-top: none; background: rgba(0,0,0,0.02); padding: 10px 8px; }
.dyn-table td:first-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.dyn-table td:last-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.dyn-table input { width: 100%; }
.dyn-row-remove {
    background: var(--danger-soft); color: var(--danger); border: none; border-radius: 100px;
    width: 30px; height: 30px; cursor: pointer; font-size: 13px; transition: background 0.12s ease;
}
.dyn-row-remove:hover { background: var(--danger); color: #fff; }

.section-title { color: var(--accent); font-weight: 700; margin: 20px 0 10px; font-size: 15px; }
.hint { color: var(--text-secondary); font-size: 12px; margin-bottom: 10px; }

.preview-box {
    background: var(--accent-soft); border-radius: var(--radius-sm);
    padding: 12px 16px; margin-top: 8px; font-size: 13px;
}
.preview-price { color: var(--accent); font-weight: 700; }
.preview-profit { color: var(--success); }

/* ================= flash messages ================= */
.flash-container { margin-bottom: 20px; }
.flash-container.standalone { max-width: 420px; margin: 20px auto 0; }
.flash { padding: 12px 18px; border-radius: var(--radius-sm); margin-bottom: 8px; font-size: 13.5px; font-weight: 500; }
.flash-success { background: var(--success-soft); color: var(--success); }
.flash-error { background: var(--danger-soft); color: var(--danger); }

/* ================= auth pages ================= */
.auth-wrap {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    background: radial-gradient(circle at 30% 20%, #fbfaf7 0%, #f2f1ee 55%, #eceae5 100%);
}
.auth-box {
    width: 380px; background: rgba(255,255,255,0.75);
    backdrop-filter: blur(24px) saturate(180%); -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-radius: 28px; padding: 48px 40px; text-align: center;
    box-shadow: var(--shadow-elevated); border: 1px solid rgba(255,255,255,0.6);
}
.auth-box::before {
    content: "ف";
    display: flex; align-items: center; justify-content: center;
    width: 56px; height: 56px; border-radius: 16px; margin: 0 auto 20px;
    background: linear-gradient(145deg, var(--navy), #2e3b5c);
    color: var(--accent); font-size: 26px; font-weight: 800; box-shadow: var(--shadow-card);
}
.auth-box .brand-title { font-size: 22px; margin-bottom: 4px; padding: 0; }
.auth-box .brand-sub { margin-bottom: 26px; }
.auth-box input {
    width: 100%; margin: 0 0 12px; text-align: center; padding: 13px 16px; border-radius: 14px;
}
.auth-box .btn {
    width: 100%; margin-top: 6px; justify-content: center; padding: 13px; border-radius: 14px;
    background: var(--navy); font-size: 15px;
}

/* ================= misc ================= */
.two-col { display: flex; gap: 18px; flex-wrap: wrap; }
.two-col > div { flex: 1; min-width: 320px; }

.locked-marker { color: var(--accent); }

.toolbar { display: flex; gap: 10px; margin-bottom: 14px; flex-wrap: wrap; align-items: center; }

.swatch {
    display: inline-block; width: 26px; height: 26px; border-radius: 8px;
    border: 1px solid var(--divider); cursor: pointer; vertical-align: middle;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

select[multiple] {
    border: 1px solid var(--divider); border-radius: var(--radius-md);
    background: var(--card-bg); padding: 6px;
}
select[multiple] option { padding: 8px 10px; border-radius: var(--radius-sm); }

#override-modal > div {
    background: var(--card-bg) !important; border-radius: var(--radius-lg) !important;
    box-shadow: var(--shadow-elevated); border: 1px solid rgba(0,0,0,0.04);
}

@media (max-width: 900px) {
    .layout { flex-direction: column; }
    .sidebar { width: 100%; flex-direction: row; overflow-x: auto; padding: 14px; position: relative; height: auto; }
    .content { padding: 20px; }
}