/* KISM Alumni — ব্যানারের মেরুন + সোনালি রঙে ড্যাশবোর্ড থিম */
:root {
    --kism-maroon: #7a1020;
    --kism-maroon-dark: #5a0a16;
    --kism-maroon-soft: #9c1b2e;
    --kism-gold: #e0b43a;
    --kism-gold-soft: #f7e7b6;
    --kism-green: #14624a;
    --kism-bg: #f4f2ef;
    --kism-line: #e3ded7;
    --sidebar-w: 260px;
}

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

body {
    background: var(--kism-bg);
    color: #24201d;
}

/* ---------- কাঠামো ---------- */
.app-shell { display: flex; min-height: 100vh; }

.app-sidebar {
    width: var(--sidebar-w);
    flex: 0 0 var(--sidebar-w);
    background: linear-gradient(180deg, var(--kism-maroon) 0%, var(--kism-maroon-dark) 100%);
    color: #f3e9d9;
    position: fixed;
    inset: 0 auto 0 0;
    overflow-y: auto;
    z-index: 1040;
}

.app-main {
    flex: 1 1 auto;
    min-width: 0;
    margin-left: var(--sidebar-w);
    display: flex;
    flex-direction: column;
}

.app-content { padding: 22px 24px 40px; flex: 1 1 auto; }

.app-footer {
    padding: 14px 24px;
    border-top: 1px solid var(--kism-line);
    color: #8a8178;
    font-size: 13px;
    background: #fff;
}

/* ---------- সাইডবার ---------- */
.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 16px 14px;
    border-bottom: 1px solid rgba(255, 255, 255, .12);
}

.brand-mark {
    width: 42px; height: 42px;
    flex: 0 0 42px;
    border-radius: 50%;
    display: grid; place-items: center;
    background: radial-gradient(circle at 30% 30%, var(--kism-gold), #b8860b);
    color: var(--kism-maroon-dark);
    font-size: 19px; font-weight: 700;
    box-shadow: 0 0 0 3px rgba(224, 180, 58, .25);
}

.brand-text strong { display: block; font-size: 16px; color: #fff; letter-spacing: .3px; }
.brand-text span { display: block; font-size: 11.5px; color: var(--kism-gold-soft); }

.sidebar-nav { padding: 10px 10px 30px; }

.nav-section {
    font-size: 11px;
    letter-spacing: .5px;
    color: rgba(247, 231, 182, .65);
    margin: 14px 8px 6px;
    text-transform: uppercase;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 9px 12px;
    margin-bottom: 2px;
    border: 0;
    border-radius: 8px;
    background: transparent;
    color: #f0e3cf;
    font-size: 14.5px;
    text-align: right;
    text-decoration: none;
    transition: background .15s, color .15s;
}

.sidebar-nav .nav-link span { flex: 1 1 auto; text-align: left; }
.sidebar-nav .nav-link i { font-size: 16px; width: 20px; text-align: center; }

.sidebar-nav .nav-link:hover { background: rgba(255, 255, 255, .09); color: #fff; }

.sidebar-nav .nav-link.active {
    background: linear-gradient(90deg, var(--kism-gold) 0%, #c99a24 100%);
    color: var(--kism-maroon-dark);
    font-weight: 600;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .2);
}

.sidebar-nav .nav-link small {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 20px;
    background: rgba(255, 255, 255, .14);
    color: var(--kism-gold-soft);
}

.nav-soon { opacity: .62; cursor: not-allowed; pointer-events: none; }
.nav-logout { color: #ffc9c9 !important; }
.nav-logout:hover { background: rgba(255, 90, 90, .18) !important; }

/* ---------- টপবার ---------- */
.app-topbar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: #fff;
    border-bottom: 1px solid var(--kism-line);
    position: sticky; top: 0; z-index: 1020;
}

.topbar-brand { font-weight: 700; color: var(--kism-maroon); }
.topbar-date { color: #8a8178; font-size: 13px; }

.btn-user {
    display: flex; align-items: center; gap: 8px;
    background: #faf7f2;
    border: 1px solid var(--kism-line);
    border-radius: 30px;
    padding: 4px 12px 4px 4px;
    font-size: 14px;
}

.avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    display: grid; place-items: center;
    background: var(--kism-maroon);
    color: var(--kism-gold);
    font-weight: 700;
}

/* ---------- পেজ হেড ---------- */
.page-head {
    display: flex; align-items: flex-end; justify-content: space-between;
    gap: 12px; flex-wrap: wrap; margin-bottom: 18px;
}

.page-title { font-size: 22px; font-weight: 700; color: var(--kism-maroon); margin: 0; }
.page-sub { margin: 2px 0 0; color: #8a8178; font-size: 13.5px; }

/* ---------- কার্ড ---------- */
.card {
    border: 1px solid var(--kism-line);
    border-radius: 12px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .04);
}

.card-header {
    background: #fff;
    border-bottom: 1px solid var(--kism-line);
    font-weight: 600;
    color: var(--kism-maroon);
    border-radius: 12px 12px 0 0 !important;
}

.stat-card {
    background: #fff;
    border-radius: 12px;
    border: 1px solid var(--kism-line);
    border-left: 4px solid var(--kism-maroon);
    padding: 16px 18px;
    height: 100%;
    display: flex; align-items: center; gap: 14px;
}

.stat-card .stat-icon {
    width: 46px; height: 46px; flex: 0 0 46px;
    border-radius: 12px;
    display: grid; place-items: center;
    font-size: 20px;
    background: var(--kism-gold-soft);
    color: var(--kism-maroon);
}

.stat-card .stat-value { font-size: 24px; font-weight: 700; line-height: 1.1; }
.stat-card .stat-label { font-size: 13px; color: #8a8178; }

.stat-card.tone-green { border-left-color: var(--kism-green); }
.stat-card.tone-green .stat-icon { background: #d9f0e6; color: var(--kism-green); }
.stat-card.tone-gold { border-left-color: #c99a24; }
.stat-card.tone-gold .stat-icon { background: #fdf0cf; color: #96731a; }
.stat-card.tone-blue { border-left-color: #1f5f8b; }
.stat-card.tone-blue .stat-icon { background: #dbeafe; color: #1f5f8b; }

.btn-kism {
    background: var(--kism-maroon);
    border-color: var(--kism-maroon);
    color: #fff;
}
.btn-kism:hover { background: var(--kism-maroon-soft); border-color: var(--kism-maroon-soft); color: #fff; }

/* ---------- লগইন ---------- */
.login-page {
    min-height: 100vh;
    display: grid; place-items: center;
    padding: 24px;
    background: linear-gradient(135deg, var(--kism-maroon-dark), var(--kism-maroon) 55%, #3d0710);
}

.login-card {
    width: 100%; max-width: 410px;
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 18px 50px rgba(0, 0, 0, .35);
    border-top: 5px solid var(--kism-gold);
}

.login-head { text-align: center; padding: 26px 24px 8px; }
.login-head h1 { font-size: 20px; font-weight: 700; color: var(--kism-maroon); margin: 12px 0 2px; }
.login-head p { font-size: 13px; color: #8a8178; margin: 0; }
.login-body { padding: 18px 26px 26px; }
.login-foot { text-align: center; font-size: 12px; color: rgba(255, 255, 255, .7); margin-top: 16px; }

/* ---------- ছোট পর্দা ---------- */
.sidebar-backdrop { display: none; }

@media (max-width: 991.98px) {
    .app-sidebar { transform: translateX(-100%); transition: transform .2s ease; }
    .app-main { margin-left: 0; }
    body.sidebar-open .app-sidebar { transform: translateX(0); }
    body.sidebar-open .sidebar-backdrop {
        display: block;
        position: fixed; inset: 0;
        background: rgba(0, 0, 0, .45);
        z-index: 1035;
    }
    .app-content { padding: 18px 14px 34px; }
    .app-topbar { padding: 10px 14px; }
}