/* 1. ZÁKLAD */
html, body {
    margin: 0;
    padding: 0;
    background-color: #1a1a1a;
    color: #e0e0e0;
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
}

/* 2. FIXNÍ HORNÍ PANEL (Formulář) */
.header-container {
    position: sticky !important;
    top: 0;
    z-index: 2000 !important;
    background: #262626;
    padding: 15px 25px;
    border-bottom: 1px solid #444;
    box-shadow: 0 4px 15px rgba(0,0,0,0.5);
    display: block;
}

/* 3. FIXNÍ HLAVIČKA TABULKY */
table {
    width: 100%;
    border-collapse: separate !important;
    border-spacing: 0;
}

table thead th {
    position: sticky !important;
    top: 198px !important; 
    z-index: 1000 !important;
    background-color: #1a1a1a !important;
    color: #ffffff !important;
    padding: 15px;
    text-align: left;
    text-transform: uppercase;
    font-size: 11px;
    font-weight: bold;
    border-bottom: 2px solid #576574;
    box-shadow: 0 -2px 0 #1a1a1a, 0 4px 5px rgba(0,0,0,0.3);
}

/* 4. FORMULÁŘ A POPISKY */
.flight-form {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: wrap;
    gap: 15px;
    align-items: flex-end;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
    font-size: 13px; 
    font-weight: bold;
    color: #bbb;
    text-transform: uppercase;
}

.form-actions {
    display: flex !important;
    flex-direction: row !important;
    gap: 8px;
    flex-wrap: nowrap !important;
}

.flight-form input[type="text"], .flight-form select {
    background-color: #333 !important;
    border: 1px solid #555;
    color: #fff !important;
    padding: 0 10px;
    height: 33px;
    border-radius: 4px;
    font-size: 14px;
}

/* Tlačítka Update a Reset */
.flight-form input[type="submit"], .btn-reset {
    height: 33px;
    padding: 0 15px;
    border-radius: 4px;
    border: none;
    font-weight: bold;
    cursor: pointer;
    white-space: nowrap;
}
.flight-form input[type="submit"] { background: #27ae60; color: #fff; }
.btn-reset { background: #576574; color: #fff; text-decoration: none; display: inline-flex; align-items: center; }

/* 5. TLAČÍTKA V TABULCE (FR24 a SimBrief) */
button {
    padding: 8px 14px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 11px;
    font-weight: bold;
    text-transform: uppercase;
    margin-left: 4px;
    border: 1px solid #000 !important;
    transition: filter 0.2s;
}

/* Barvy pro FR24 */
button:not(.btn-sb) {
    background: #f1c40f !important;
    color: #000 !important;
}

/* Barvy pro SimBrief */
.btn-sb {
    background: #74b9ff !important;
    color: #000 !important;
    text-shadow: none !important;
}

button:hover {
    filter: brightness(1.2);
}

/* 6. VIZUÁL TABULKY */
td {
    padding: 12px 15px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
tr:hover { background-color: rgba(255,255,255,0.05); }

.airport-title { font-size: 22px; margin-bottom: 15px; color: #fff; font-weight: bold; }

/* Mobilní vypnutí */
@media (max-width: 1000px) {
    .header-container, table thead th { position: static !important; }
}