body {
    min-height: 100vh;
    background:
        radial-gradient(circle at top right, rgba(255, 230, 0, 0.35), transparent 28%),
        linear-gradient(180deg, #fffde7 0%, #f5f5f5 55%, #eceff1 100%);
    color: #101114;
}

.app-navbar {
    background: linear-gradient(135deg, #ffe600 0%, #ffd100 58%, #ffca28 100%);
}

.brand-logo {
    width: 56px;
    height: 56px;
    object-fit: cover;
    border-radius: 18px;
    border: 2px solid rgba(0, 0, 0, 0.12);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.16);
}

.brand-title {
    color: #111111;
    font-size: 1.1rem;
    line-height: 1.1;
}

.brand-subtitle {
    color: rgba(0, 0, 0, 0.72);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.navbar .nav-link,
.nav-user {
    color: #111111;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
    color: #000000;
}

.dropdown-menu {
    border-radius: 1rem;
    min-width: 14rem;
}

.dropdown-item {
    padding-top: 0.65rem;
    padding-bottom: 0.65rem;
}

.dropdown-item:active,
.dropdown-item:hover {
    background-color: rgba(255, 230, 0, 0.28);
    color: #111111;
}

.auth-card {
    max-width: 560px;
    margin: 3rem auto;
    border: 0;
    border-radius: 1.5rem;
}

.card,
.table,
.form-control,
.form-select {
    border-radius: 1rem;
}

.hero-panel {
    padding: 2rem;
    border-radius: 1.75rem;
    background:
        linear-gradient(135deg, rgba(255, 230, 0, 0.97), rgba(255, 245, 157, 0.95)),
        #ffe600;
    position: relative;
    overflow: hidden;
}

.hero-panel::after {
    content: '';
    position: absolute;
    inset: auto -80px -80px auto;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    background: rgba(17, 17, 17, 0.08);
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: rgba(0, 0, 0, 0.65);
    margin-bottom: 0.75rem;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.4rem);
    font-weight: 800;
    line-height: 1.05;
    margin-bottom: 1rem;
}

.hero-copy {
    max-width: 48rem;
    color: rgba(0, 0, 0, 0.78);
    font-size: 1.02rem;
}

.hero-logo {
    width: min(220px, 100%);
    border-radius: 2rem;
    box-shadow: 0 22px 40px rgba(0, 0, 0, 0.18);
    border: 3px solid rgba(255, 255, 255, 0.4);
}

.stat-card {
    border: 0;
    border-radius: 1.25rem;
    background: linear-gradient(180deg, #ffffff 0%, #fffef5 100%);
}

.stat-label {
    color: #5f6368;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.table thead th {
    color: #6b7280;
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.btn-primary {
    background-color: #111111;
    border-color: #111111;
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #000000;
    border-color: #000000;
}

.btn-outline-primary {
    color: #111111;
    border-color: #111111;
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: #111111;
    border-color: #111111;
}

.section-card {
    border: 0;
    border-radius: 1.4rem;
}

.student-next-class {
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.student-next-date {
    color: #5f6368;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

@media (max-width: 991.98px) {
    .brand-subtitle {
        display: none;
    }

    .hero-panel {
        padding: 1.5rem;
    }
}