/* Custom styles to complement Bootstrap */
.hero-section {
    position: relative;
    overflow: hidden;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.hero-section > div {
    z-index: 1;
}

/* Navbar logo styling */
.navbar-brand img {
    height: 60px; /* Increased from 40px */
    width: auto;
    mix-blend-mode: screen; /* This will help blend the logo with dark background */
    filter: brightness(1.2); /* Slightly brighten the logo to stand out */
}

.card {
    transition: transform 0.2s;
}

.card:hover {
    transform: translateY(-5px);
}

.social-links a {
    font-size: 1.5rem;
    transition: color 0.2s;
}

.social-links a:hover {
    color: var(--bs-primary) !important;
}

/* Belt level colors for progress tracking */
.belt-white { background-color: #fff; }
.belt-yellow { background-color: #ffd700; }
.belt-orange { background-color: #ffa500; }
.belt-green { background-color: #008000; }
.belt-blue { background-color: #0000ff; }
.belt-brown { background-color: #8b4513; }
.belt-black { background-color: #000; }

/* Progress bar styling */
.progress-tracker {
    height: 20px;
    border-radius: 10px;
    overflow: hidden;
}

/* Calendar styling */
.calendar-event {
    padding: 10px;
    margin-bottom: 10px;
    border-radius: 5px;
    border-left: 4px solid var(--bs-primary);
}

.event-tournament {
    border-left-color: var(--bs-danger);
}

.event-seminar {
    border-left-color: var(--bs-info);
}

.event-grading {
    border-left-color: var(--bs-success);
}

/* Training recommendation styles */
.beginner-level {
    border-left: 4px solid var(--bs-success);
}

.intermediate-level {
    border-left: 4px solid var(--bs-warning);
}

.advanced-level {
    border-left: 4px solid var(--bs-danger);
}

.card-title {
    color: var(--bs-light);
}

.focus-area {
    background-color: var(--bs-dark);
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    border-radius: 4px;
}

/* Certificate styles */
.certificate-container {
    max-width: 800px;
    margin: 0 auto;
}

.certificate-container .card {
    border: 2px solid var(--bs-primary);
    box-shadow: 0 0 20px rgba(0,0,0,0.1);
}

.certificate-logo {
    height: 100px;
    width: auto;
    margin-bottom: 1rem;
}

@media print {
    body * {
        visibility: hidden;
    }
    .certificate-container, .certificate-container * {
        visibility: visible;
    }
    .certificate-container {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
        margin: 0;
        padding: 20px;
    }
    .no-print {
        display: none !important;
    }
}