/* =========================================================================
   S&S SALON MANAGEMENT SYSTEM - MAIN THEME
   Palette: White, Pink Pastel, Gray, Gold. Light & Dark mode via [data-theme].
   ========================================================================= */

:root {
    --sns-pink: #f4c9d6;
    --sns-pink-deep: #e79ab3;
    --sns-pink-soft: #fdf1f4;
    --sns-gold: #cda45e;
    --sns-gold-soft: #f2e5cd;
    --sns-gray: #8a8a92;
    --sns-gray-light: #f4f4f6;
    --sns-white: #ffffff;

    --bg-body: #f8f6f7;
    --bg-surface: #ffffff;
    --bg-sidebar: #ffffff;
    --bg-hover: #fdf1f4;
    --text-main: #2c2a2d;
    --text-muted: #8a8a92;
    --border-color: #ece3e6;
    --shadow-soft: 0 2px 12px rgba(190, 150, 160, .10);

    --accent: var(--sns-pink-deep);
    --accent-soft: var(--sns-pink-soft);
    --gold: var(--sns-gold);

    --radius: 14px;
    --radius-sm: 8px;
}

[data-theme="dark"] {
    --bg-body: #1c1a1e;
    --bg-surface: #26232a;
    --bg-sidebar: #221f25;
    --bg-hover: #322c34;
    --text-main: #f1eef0;
    --text-muted: #ab9fa6;
    --border-color: #3a353c;
    --shadow-soft: 0 2px 14px rgba(0, 0, 0, .35);
    --accent-soft: #3a2b32;
}

* { box-sizing: border-box; }

body {
    background-color: var(--bg-body);
    color: var(--text-main);
    font-family: 'Poppins', 'Segoe UI', system-ui, -apple-system, sans-serif;
    font-size: .925rem;
    transition: background-color .25s ease, color .25s ease;
}

a { text-decoration: none; }

/* ---------------------------------------------------------------------
   LAYOUT SHELL
   --------------------------------------------------------------------- */
.sns-shell { display: flex; min-height: 100vh; }

.sns-sidebar {
    width: 260px;
    flex-shrink: 0;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    z-index: 1030;
    transition: transform .25s ease;
}

.sns-sidebar-brand {
    display: flex;
    align-items: center;
    gap: .65rem;
    padding: 1.35rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
}

.sns-sidebar-brand img { width: 38px; height: 38px; border-radius: 10px; object-fit: cover; }

.sns-sidebar-brand .brand-name { font-weight: 700; font-size: 1.05rem; line-height: 1.1; color: var(--text-main); }
.sns-sidebar-brand .brand-tagline { font-size: .7rem; color: var(--sns-gold); letter-spacing: .04em; text-transform: uppercase; }

.sns-nav { flex: 1; overflow-y: auto; padding: .85rem .65rem; }
.sns-nav-section { font-size: .68rem; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); margin: 1rem .6rem .35rem; }

.sns-nav-link {
    display: flex;
    align-items: center;
    gap: .7rem;
    padding: .62rem .85rem;
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: .875rem;
    font-weight: 500;
    margin-bottom: .15rem;
}
.sns-nav-link i { width: 18px; text-align: center; color: var(--text-muted); font-size: .95rem; }
.sns-nav-link:hover { background: var(--bg-hover); color: var(--accent); }
.sns-nav-link:hover i { color: var(--accent); }
.sns-nav-link.active { background: linear-gradient(135deg, var(--sns-pink), var(--sns-pink-deep)); color: #fff; box-shadow: var(--shadow-soft); }
.sns-nav-link.active i { color: #fff; }

.sns-main { flex: 1; margin-left: 260px; display: flex; flex-direction: column; min-height: 100vh; }

.sns-topbar {
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    padding: .85rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky; top: 0; z-index: 1020;
}

.sns-content { padding: 1.5rem; flex: 1; }

.sns-footer {
    padding: 1rem 1.5rem;
    text-align: center;
    color: var(--text-muted);
    font-size: .8rem;
    border-top: 1px solid var(--border-color);
    background: var(--bg-surface);
}

/* ---------------------------------------------------------------------
   CARDS / SURFACES
   --------------------------------------------------------------------- */
.sns-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-soft);
}
.sns-card .card-header { background: transparent; border-bottom: 1px solid var(--border-color); font-weight: 600; }

.sns-stat-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.15rem 1.3rem;
    box-shadow: var(--shadow-soft);
    display: flex;
    align-items: center;
    gap: 1rem;
}
.sns-stat-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; color: #fff;
    background: linear-gradient(135deg, var(--sns-pink), var(--sns-pink-deep));
    flex-shrink: 0;
}
.sns-stat-icon.gold { background: linear-gradient(135deg, var(--sns-gold-soft), var(--sns-gold)); }
.sns-stat-icon.gray { background: linear-gradient(135deg, #cfcfd6, var(--sns-gray)); }
.sns-stat-label { font-size: .78rem; color: var(--text-muted); margin-bottom: .15rem; }
.sns-stat-value { font-size: 1.25rem; font-weight: 700; color: var(--text-main); }

/* ---------------------------------------------------------------------
   BUTTONS
   --------------------------------------------------------------------- */
.btn-sns-primary {
    background: linear-gradient(135deg, var(--sns-pink-deep), var(--sns-pink));
    border: none; color: #fff; font-weight: 600;
    border-radius: var(--radius-sm);
}
.btn-sns-primary:hover { color: #fff; filter: brightness(1.05); }

.btn-sns-gold {
    background: linear-gradient(135deg, var(--sns-gold), var(--sns-gold-soft));
    border: none; color: #4a3a1c; font-weight: 600;
    border-radius: var(--radius-sm);
}

.btn-sns-outline {
    border: 1px solid var(--border-color); background: transparent; color: var(--text-main);
    border-radius: var(--radius-sm);
}
.btn-sns-outline:hover { background: var(--bg-hover); color: var(--accent); }

/* ---------------------------------------------------------------------
   TABLES
   --------------------------------------------------------------------- */
.table-sns thead th {
    background: var(--accent-soft);
    color: var(--text-main);
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .03em;
    border-bottom: none;
    font-weight: 600;
}
.table-sns tbody tr { border-color: var(--border-color); }
.table-sns tbody td { vertical-align: middle; color: var(--text-main); }

/* ---------------------------------------------------------------------
   BADGES
   --------------------------------------------------------------------- */
.badge-sns-pink { background: var(--sns-pink-soft); color: var(--sns-pink-deep); font-weight: 600; }
.badge-sns-gold { background: var(--sns-gold-soft); color: #8a6d1f; font-weight: 600; }
.badge-sns-gray { background: var(--sns-gray-light); color: var(--sns-gray); font-weight: 600; }

/* ---------------------------------------------------------------------
   LOGIN PAGE
   --------------------------------------------------------------------- */
.sns-login-wrap {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background: radial-gradient(circle at top left, var(--sns-pink-soft), var(--bg-body) 60%);
    padding: 1rem;
}
.sns-login-card {
    width: 100%; max-width: 400px;
    background: var(--bg-surface);
    border-radius: 20px;
    box-shadow: 0 12px 40px rgba(190, 150, 160, .18);
    padding: 2.25rem 2rem;
    border: 1px solid var(--border-color);
}
.sns-login-logo { width: 64px; height: 64px; border-radius: 16px; object-fit: cover; margin: 0 auto 1rem; display: block; }

/* ---------------------------------------------------------------------
   POS SCREEN
   --------------------------------------------------------------------- */
.pos-catalog { max-height: calc(100vh - 220px); overflow-y: auto; }
.pos-item-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: .75rem;
    cursor: pointer;
    transition: all .15s ease;
    height: 100%;
}
.pos-item-card:hover { border-color: var(--sns-pink-deep); box-shadow: var(--shadow-soft); transform: translateY(-2px); }
.pos-item-name { font-weight: 600; font-size: .85rem; color: var(--text-main); }
.pos-item-price { color: var(--sns-pink-deep); font-weight: 700; font-size: .82rem; }

.pos-cart { background: var(--bg-surface); border: 1px solid var(--border-color); border-radius: var(--radius); position: sticky; top: 80px; }
.pos-cart-item { border-bottom: 1px solid var(--border-color); padding: .6rem .85rem; }
.pos-cart-scroll { max-height: 320px; overflow-y: auto; }

/* ---------------------------------------------------------------------
   RECEIPT (58mm / 80mm)
   --------------------------------------------------------------------- */
.receipt-58mm { width: 58mm; font-family: 'Courier New', monospace; font-size: 10px; margin: 0 auto; }
.receipt-80mm { width: 80mm; font-family: 'Courier New', monospace; font-size: 11px; margin: 0 auto; }
.receipt-a4 { width: 210mm; margin: 0 auto; padding: 20mm; }
.receipt-divider { border-top: 1px dashed #000; margin: 4px 0; }

/* ---------------------------------------------------------------------
   MISC
   --------------------------------------------------------------------- */
.theme-toggle-btn { border: 1px solid var(--border-color); background: var(--bg-hover); width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--text-main); }
.sns-mobile-toggle { display: none; }

@media (max-width: 991.98px) {
    .sns-sidebar { transform: translateX(-100%); }
    .sns-sidebar.show { transform: translateX(0); }
    .sns-main { margin-left: 0; }
    .sns-mobile-toggle { display: inline-flex; }
}

.form-label { font-size: .82rem; font-weight: 600; color: var(--text-main); }
.form-control, .form-select {
    background: var(--bg-surface); color: var(--text-main); border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}
.form-control:focus, .form-select:focus { border-color: var(--sns-pink-deep); box-shadow: 0 0 0 .2rem rgba(231,154,179,.18); background: var(--bg-surface); color: var(--text-main); }

.modal-content { background: var(--bg-surface); color: var(--text-main); border-radius: var(--radius); border: 1px solid var(--border-color); }