* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: Inter, Arial, sans-serif;

}

body {
    background: #0b0f14;
    color: #e6e6e6;
    padding-top: 70px;
}

/* =====================================================
   HEADER
===================================================== */

header {
    background: linear-gradient(135deg, #0f172a, #111827);
    padding: 28px 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

header h1 {
    font-size: 30px;
    letter-spacing: 1px;
    color: #ffffff;
}

/* =====================================================
   LAYOUT
===================================================== */

.rezervace-container {
    display: flex;
    gap: 30px;

    max-width: 1300px;

    margin: 40px auto;
    padding: 0 20px;

    align-items: flex-start;
}

/* =====================================================
   LEVÝ SLOUPEC
===================================================== */

.auto-info {
    flex: 1;

    background: #111827;

    border: 1px solid rgba(255,255,255,0.06);

    border-radius: 20px;

    padding: 20px;

    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

/* =====================================================
   GALERIE
===================================================== */

.gallery {
    display: flex;
    flex-direction: column;
    gap: 18px;

    margin-bottom: 25px;
}

.gallery-image {
    width: 100%;

    border-radius: 16px;

    object-fit: cover;

    transition: 0.25s ease;

    box-shadow: 0 10px 25px rgba(0,0,0,0.45);
}

.gallery-image:hover {
    transform: scale(1.02);
}

/* =====================================================
   INFO O AUTĚ
===================================================== */

.auto-info h2 {
    font-size: 28px;
    margin-bottom: 14px;
    color: #ffffff;
}

.auto-info p {
    margin: 10px 0;
    color: #cbd5e1;
    font-size: 15px;
}

/* =====================================================
   FORMULÁŘ
===================================================== */

.rezervace-form {
    flex: 1.1;

    background: #111827;

    border: 1px solid rgba(255,255,255,0.06);

    border-radius: 20px;

    padding: 28px;

    box-shadow: 0 10px 30px rgba(0,0,0,0.4);

    display: flex;
    flex-direction: column;
}

/* =====================================================
   NADPISY
===================================================== */

.rezervace-form h3 {
    margin: 18px 0 10px;

    font-size: 16px;

    color: #60a5fa;

    letter-spacing: 0.5px;
}

/* =====================================================
   INPUTY
===================================================== */

.rezervace-form input[type="text"],
.rezervace-form input[type="email"],
.rezervace-form input[type="date"],
.rezervace-form select {

    width: 100%;

    padding: 12px 14px;

    margin-bottom: 10px;

    border-radius: 12px;

    border: 1px solid rgba(255,255,255,0.08);

    background: #0b1220;

    color: #fff;

    outline: none;

    transition: 0.2s ease;
}

.rezervace-form input:focus,
.rezervace-form select:focus {

    border-color: #3b82f6;

    box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}

/* =====================================================
   ODKAZY
===================================================== */

.rezervace-form a {
    color: #60a5fa;
    text-decoration: none;
}

.rezervace-form a:hover {
    text-decoration: underline;
}

/* =====================================================
   CHECKBOXY
===================================================== */

.rezervace-form label:has(input[type="checkbox"]) {

    display: flex;
    align-items: center;
    gap: 10px;

    width: 100%;

    padding: 12px 14px;

    margin: 8px 0;

    border-radius: 14px;

    background: #0b1220;

    border: 1px solid rgba(255,255,255,0.08);

    color: #cbd5e1;

    cursor: pointer;

    transition: 0.2s ease;

    user-select: none;
}

.rezervace-form label:has(input[type="checkbox"]):hover {

    border-color: #3b82f6;

    transform: translateY(-2px);
}

.rezervace-form input[type="checkbox"] {

    transform: scale(1.15);

    accent-color: #3b82f6;
}

/* =====================================================
   CENA
===================================================== */

#days,
#totalPrice {

    font-weight: bold;

    font-size: 20px;

    color: #22c55e;
}

/* =====================================================
   BUTTON
===================================================== */

button[type="submit"] {

    width: 100%;

    margin-top: 18px;

    padding: 14px;

    border: none;

    border-radius: 14px;

    background: linear-gradient(135deg, #2563eb, #1d4ed8);

    color: white;

    font-size: 16px;

    cursor: pointer;

    transition: 0.2s ease;

    box-shadow: 0 10px 20px rgba(37,99,235,0.25);
}

button[type="submit"]:hover {

    transform: translateY(-2px);

    box-shadow: 0 14px 30px rgba(37,99,235,0.35);
}

/* =====================================================
   TEXTY
===================================================== */

.rezervace-form p {
    margin: 10px 0;
    color: #cbd5e1;
}

/* =====================================================
   ERROR OVERLAY
===================================================== */

.overlay-error {

    position: fixed;

    inset: 0;

    display: flex;

    justify-content: center;
    align-items: center;

    background: rgba(0,0,0,0.75);

    backdrop-filter: blur(10px);

    z-index: 9999;
}

.error-box {

    display: flex;
    flex-direction: column;

    align-items: center;
    justify-content: center;

    gap: 18px;

    width: 100%;
    max-width: 460px;

    padding: 40px 30px;

    border-radius: 24px;

    background: rgba(255,255,255,0.04);

    border: 1px solid rgba(255,255,255,0.08);

    backdrop-filter: blur(14px);

    text-align: center;

    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.error-box h2 {

    font-size: 22px;

    font-weight: 800;

    color: #f5f5f5;
}

.error-box p {

    font-size: 15px;

    color: #cbd5e1;

    line-height: 1.5;
}

/* =====================================================
   OK BUTTON
===================================================== */

.ok-btn {

    display: inline-flex;

    align-items: center;
    justify-content: center;

    min-width: 200px;

    padding: 14px 26px;

    border-radius: 14px;

    background: linear-gradient(135deg, #3b82f6, #2563eb);

    color: #fff;

    font-size: 15px;

    font-weight: 800;

    text-decoration: none;

    transition: 0.25s ease;

    box-shadow: 0 10px 25px rgba(59,130,246,0.35);
}

.ok-btn:hover {

    transform: translateY(-4px) scale(1.02);

    box-shadow: 0 16px 35px rgba(59,130,246,0.45);
}

/* =====================================================
   RESPONSIVE
===================================================== */

@media (max-width: 950px) {

    .rezervace-container {

        flex-direction: column;
    }

    .gallery-image {

        max-height: 350px;
    }
}