/* Frosted Glass Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 1rem 2rem;
    display: flex;
    align-items: flex-start; /* Changed from center to flex-start */
    justify-content: space-between;
    box-shadow: var(--shadow-md);
    min-height: 72px; /* Added minimum height to accommodate subtitle */
}

.header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, var(--primary-glow), transparent);
    opacity: 0.1;
    pointer-events: none;
}

.header-left {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.header-text {
    display: flex;
    flex-direction: column;
    gap: 0.25rem; /* Tight spacing between title and subtitle */
}

.header-logo {
    height: 40px;
    width: auto;
    margin-top: 2px; /* Fine-tune vertical alignment with text */
}

.header h1 {
    color: var(--primary);
    font-size: 1.8rem;
    font-weight: 700;
    text-shadow: var(--shadow-glow);
    margin: 0;
    font-family: 'CTMKF', system-ui;
    line-height: 1.2; /* Tighter line height */
}

.header-subtitle {
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 400;
    opacity: 0.8;
    margin: 5px 0 0 -55px;
    line-height: 1.2;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 0.5rem; /* Slight adjustment to align with top row */
}

.refresh-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-family: inherit;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.refresh-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.refresh-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.refresh-btn:hover::before {
    left: 100%;
}

.refresh-btn:active {
    transform: translateY(0);
}

.refresh-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}