:root {
    --home-bg: #08111f;
    --home-ink: #0f1b2d;
    --home-muted: #667892;
    --home-line: #d8e1ed;
    --home-soft-line: rgba(216, 225, 237, 0.66);
    --home-surface: rgba(255, 255, 255, 0.93);
    --home-surface-solid: #ffffff;
    --home-navy: #0d1b32;
    --home-blue: #2563eb;
    --home-teal: #0f9f8f;
    --home-gold: #d99b35;
    --home-success: #0d7b43;
    --home-danger: #b42318;
    --home-shadow: 0 28px 85px rgba(1, 8, 20, 0.34);
    --home-shadow-soft: 0 18px 44px rgba(8, 17, 31, 0.14);
}

* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
}

body.registration-page {
    min-height: 100vh;
    margin: 0;
    background:
        radial-gradient(circle at 14% 9%, rgba(217, 155, 53, 0.32) 0, rgba(217, 155, 53, 0) 28rem),
        radial-gradient(circle at 86% 12%, rgba(15, 159, 143, 0.34) 0, rgba(15, 159, 143, 0) 30rem),
        radial-gradient(circle at 66% 92%, rgba(37, 99, 235, 0.24) 0, rgba(37, 99, 235, 0) 30rem),
        linear-gradient(145deg, #07101e 0%, #10213f 46%, #061722 100%),
        var(--home-bg);
    color: var(--home-ink);
    font-family: "Segoe UI", "Inter", "Helvetica Neue", Arial, sans-serif;
}

body.registration-page::before {
    position: fixed;
    inset: 0;
    z-index: -2;
    pointer-events: none;
    content: "";
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
    background-size: 52px 52px;
    mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 82%);
}

body.registration-page::after {
    position: fixed;
    inset: auto 0 0;
    z-index: -1;
    height: 42vh;
    pointer-events: none;
    content: "";
    background: linear-gradient(180deg, transparent 0%, rgba(2, 8, 18, 0.56) 100%);
}

.registration-main {
    min-height: 100vh;
    padding: clamp(1rem, 3vw, 2.65rem);
}

.registration-shell {
    width: min(980px, 100%);
    margin: 0 auto;
}

.registration-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1.5rem;
    padding: clamp(1rem, 2.4vw, 1.8rem) 0 clamp(0.9rem, 2vw, 1.4rem);
}

.registration-brand {
    display: inline-flex;
    align-items: center;
    gap: 0.58rem;
    margin-bottom: 0.8rem;
    color: rgba(237, 247, 255, 0.82);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.brand-badge {
    width: 2.15rem;
    height: 2.15rem;
    display: inline-grid;
    place-items: center;
    border-radius: 0.72rem;
    background: linear-gradient(135deg, var(--home-gold), #f4c66f);
    color: #ffffff;
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.08em;
    box-shadow: 0 12px 28px rgba(217, 155, 53, 0.28);
}

.registration-header h1 {
    max-width: 760px;
    margin: 0;
    color: #ffffff;
    font-size: clamp(2rem, 4.4vw, 3.45rem);
    font-weight: 850;
    line-height: 1.03;
    letter-spacing: 0;
}

.registration-header p {
    max-width: 640px;
    margin: 0.85rem 0 0;
    color: rgba(224, 235, 248, 0.78);
    font-size: clamp(0.95rem, 1vw, 1.05rem);
    line-height: 1.65;
}

.registration-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.15rem;
}

.registration-highlights span {
    min-height: 2.35rem;
    display: inline-flex;
    align-items: center;
    gap: 0.52rem;
    padding: 0.56rem 0.82rem;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.09);
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.86rem;
    font-weight: 800;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14);
    backdrop-filter: blur(14px);
}

.registration-highlights i {
    color: #f4c66f;
    font-size: 0.95rem;
    line-height: 1;
}

.registration-content {
    padding-bottom: clamp(1rem, 3vw, 2rem);
}

.registration-card {
    padding: clamp(1rem, 2.6vw, 1.55rem);
    border: 1px solid rgba(255, 255, 255, 0.66);
    border-radius: 1.2rem;
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.97), rgba(247, 251, 255, 0.94)),
        var(--home-surface);
    box-shadow: var(--home-shadow);
    backdrop-filter: blur(22px);
    position: relative;
    overflow: hidden;
}

.registration-card::before {
    position: absolute;
    inset: 0 0 auto;
    height: 0.28rem;
    content: "";
    background: linear-gradient(90deg, var(--home-gold), var(--home-teal), var(--home-blue));
}

.registration-card::after {
    position: absolute;
    top: -8rem;
    right: -6rem;
    width: 16rem;
    height: 16rem;
    border-radius: 999px;
    content: "";
    background: radial-gradient(circle, rgba(15, 159, 143, 0.12), transparent 68%);
    pointer-events: none;
}

.card-heading {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 1.05rem;
    border-bottom: 1px solid var(--home-soft-line);
}

.card-kicker {
    display: block;
    margin-bottom: 0.35rem;
    color: #0b867a;
    font-size: 0.72rem;
    font-weight: 850;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.card-heading h2 {
    margin: 0;
    color: var(--home-ink);
    font-size: clamp(1.2rem, 1.5vw, 1.52rem);
    font-weight: 850;
    line-height: 1.18;
    letter-spacing: 0;
}

.card-heading p {
    max-width: 560px;
    margin: 0.32rem 0 0;
    color: var(--home-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

.card-mark {
    width: 2.75rem;
    height: 2.75rem;
    display: grid;
    flex: 0 0 auto;
    place-items: center;
    border-radius: 0.85rem;
    background: linear-gradient(135deg, rgba(15, 159, 143, 0.13), rgba(217, 155, 53, 0.13));
    color: #0b867a;
    border: 1px solid rgba(15, 159, 143, 0.18);
}

.card-mark i {
    font-size: 1.22rem;
    line-height: 1;
}

.form-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.field-wide {
    grid-column: 1 / -1;
}

.field-block {
    min-width: 0;
}

.field-block .form-label {
    margin-bottom: 0.42rem;
    color: #33445c;
    font-size: 0.84rem;
    font-weight: 750;
}

.form-select,
.form-control {
    min-height: 2.95rem;
    border: 1px solid rgba(186, 201, 220, 0.92);
    border-radius: 0.78rem;
    background-color: rgba(255, 255, 255, 0.98);
    color: var(--home-ink);
    font-size: 0.94rem;
    box-shadow: none;
}

.form-select {
    padding-right: 2.55rem;
}

textarea.form-control {
    min-height: 6rem;
    resize: vertical;
}

.form-select:focus,
.form-control:focus {
    border-color: rgba(15, 159, 143, 0.72);
    box-shadow: 0 0 0 0.2rem rgba(15, 159, 143, 0.13);
}

.form-select:disabled {
    color: #8897aa;
    background-color: #eef3f8;
}

.form-control::placeholder {
    color: #9aa8ba;
}

.quota-panel {
    margin-top: 0.72rem;
    padding: 0.82rem 0.95rem;
    border: 1px solid rgba(203, 213, 225, 0.82);
    border-radius: 0.82rem;
    background: linear-gradient(135deg, #f8fafc, #eef7f7);
    color: var(--home-muted);
    font-size: 0.88rem;
    font-weight: 700;
}

.quota-panel.is-available {
    border-color: rgba(13, 148, 136, 0.28);
    background: #effbf7;
    color: #0b6f62;
}

.quota-panel.is-full {
    border-color: rgba(180, 35, 24, 0.28);
    background: #fff4f3;
    color: var(--home-danger);
}

.allergy-box {
    padding: 0.95rem 1rem;
    border: 1px solid rgba(203, 213, 225, 0.82);
    border-radius: 0.9rem;
    background: linear-gradient(135deg, #f8fafc, #f2f7fb);
}

.allergy-box .form-check-label {
    color: var(--home-ink);
    font-weight: 800;
}

.allergy-box p {
    margin: 0.38rem 0 0;
    color: var(--home-muted);
    font-size: 0.86rem;
    line-height: 1.5;
}

.form-switch .form-check-input {
    width: 2.65rem;
    height: 1.32rem;
    cursor: pointer;
}

.form-check-input:checked {
    background-color: var(--home-teal);
    border-color: var(--home-teal);
}

.form-actions {
    position: relative;
    z-index: 1;
    display: flex;
    justify-content: flex-end;
    gap: 0.7rem;
    margin-top: 1.25rem;
    padding-top: 1.1rem;
    border-top: 1px solid var(--home-soft-line);
}

.btn {
    min-height: 2.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 0.76rem;
    padding-inline: 1.1rem;
    font-weight: 800;
    letter-spacing: 0;
}

.btn i {
    font-size: 0.98rem;
    line-height: 1;
}

.btn-light {
    border-color: #e2e8f0;
    background: #ffffff;
    color: #41536a;
}

.btn-light:hover,
.btn-light:focus {
    border-color: #cbd5e1;
    background: #eef3f8;
    color: #26384e;
}

.btn-primary {
    border: 0;
    background: linear-gradient(135deg, #0d1b32, #0f766e);
    box-shadow: 0 16px 30px rgba(15, 118, 110, 0.22);
}

.btn-primary:hover,
.btn-primary:focus {
    background: linear-gradient(135deg, #14294b, #0b867a);
}

.btn-primary:disabled {
    background: #637083;
    box-shadow: none;
}

.invalid-feedback {
    margin-top: 0.38rem;
    font-size: 0.82rem;
    font-weight: 700;
}

@media (max-width: 767.98px) {
    .registration-main {
        padding: 0.85rem;
    }

    .registration-header {
        display: block;
        padding: 0.75rem 0 1rem;
    }

    .registration-header h1 {
        font-size: clamp(2rem, 11vw, 2.8rem);
    }

    .registration-highlights {
        gap: 0.5rem;
    }

    .registration-highlights span {
        font-size: 0.8rem;
        padding-inline: 0.72rem;
    }

    .registration-card {
        padding: 1rem;
        border-radius: 1rem;
    }

    .card-heading {
        gap: 0.8rem;
    }

    .card-mark {
        width: 2.45rem;
        height: 2.45rem;
        border-radius: 0.72rem;
    }

    .form-grid {
        grid-template-columns: 1fr;
        gap: 0.92rem;
    }

    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions .btn {
        width: 100%;
    }
}

@media (max-width: 420px) {
    .registration-brand {
        font-size: 0.7rem;
    }

    .card-heading {
        align-items: flex-start;
    }

    .card-heading p {
        font-size: 0.84rem;
    }
}