/* ===== HEADER ===== */
.header {
    background: linear-gradient(120deg, #764ba2 20%,#667eea 100%);
    color: white;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
}

/* ===== LAYOUT ===== */
.header-left {
    display: flex;
    align-items: center;
    gap: 25px;
    flex: 0 0 auto;
}

.header-center {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.header-title-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 25px;
    flex: 0 0 auto;
}

/* ===== LOGOS IN CENTER ===== */
.header-logo-center-left,
.header-logo-center-right {
    width: 80px;
    height: 80px;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.2));
}

/* ===== QR CODE ===== */
.header-qr {
    background: white;
    padding: 12px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-qr canvas {
    display: block;
    width: 100px !important;
    height: 100px !important;
}

.header-qr-placeholder {
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #999;
    text-align: center;
    padding: 10px;
}

/* ===== TITLE ===== */
.header-title {
    font-size: 36px;
    font-weight: 900;
    text-align: center;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    letter-spacing: 2px;
    margin: 0;
    line-height: 1.2;
}

/* ===== SUBTITLE ===== */
.header-subtitle {
    text-align: center;
    font-size: 22px;
    font-weight: 600;
    opacity: 0.9;
    letter-spacing: 11px;
    margin: 0;
    text-transform: lowercase;
}

/* ===== CLOCK ===== */
.header-clock {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 5px;
    min-width: 200px;
}

.header-time {
    font-size: 32px;
    font-weight: 900;
    letter-spacing: 2px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    line-height: 1;
    font-variant-numeric: tabular-nums;
    font-feature-settings: "tnum";
}

.header-date {
    font-size: 18px;
    opacity: 0.9;
    text-align: right;
    line-height: 1.3;
    font-variant-numeric: tabular-nums;
    min-width: 180px;
    font-weight: 600;
    letter-spacing: 0px;
    
    
}