:root {
    --sea-950: #0a2f52;
    --sea-900: #0d3f6f;
    --sea-700: #1b74b6;
    --sea-500: #2ca6d6;
    --foam-100: #eef8ff;
    --foam-50: #f7fcff;
    --ink-900: #163149;
    --ink-700: #36506a;
    --line: #cce5f5;
    --ok: #1f8f5f;
}

body.delfinas-page {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: "Manrope", "Segoe UI", sans-serif;
    color: var(--ink-900);
    background:
        radial-gradient(1200px 420px at -10% -10%, rgba(44, 166, 214, 0.22), transparent 60%),
        radial-gradient(900px 380px at 110% 0%, rgba(13, 63, 111, 0.20), transparent 60%),
        linear-gradient(180deg, #f4fbff 0%, #edf7ff 42%, #f8fcff 100%);
}

.delfinas-topbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    border-radius: 18px;
    padding: 16px 18px;
    background: linear-gradient(120deg, var(--sea-900), var(--sea-700));
    color: #fff;
    box-shadow: 0 16px 34px rgba(10, 47, 82, 0.22);
}

.delfinas-brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.delfinas-brand-badge {
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    padding: 6px 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.delfinas-logo {
    display: block;
    width: 190px;
    max-width: 100%;
    height: auto;
}

.delfinas-title {
    margin: 0;
    font-weight: 800;
    letter-spacing: 0.01em;
}

.delfinas-subtitle {
    margin: 2px 0 0;
    color: rgba(255, 255, 255, 0.87);
    font-size: 0.94rem;
}

.lang-switch {
    display: inline-flex;
    gap: 8px;
}

.lang-switch .btn {
    border-radius: 999px;
    font-weight: 700;
    border-color: rgba(255, 255, 255, 0.45);
    color: #fff;
    background: rgba(255, 255, 255, 0.08);
}

.lang-switch .btn:hover,
.lang-switch .btn:focus {
    color: #fff;
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.75);
}

.card,
.list-group-item,
.alert {
    border-radius: 16px;
    border: 1px solid var(--line);
}

.card {
    box-shadow: 0 12px 28px rgba(17, 72, 116, 0.1);
}

.card .card-header,
.card .card-footer {
    background: var(--foam-100);
    border-color: var(--line);
}

.btn {
    border-radius: 12px;
    font-weight: 700;
    letter-spacing: 0.01em;
    transition: transform 0.16s ease, box-shadow 0.16s ease, background 0.2s ease;
}

.btn-primary {
    border: 1px solid rgba(10, 47, 82, 0.08);
    color: #fff;
    background: linear-gradient(120deg, var(--sea-700), var(--sea-500));
    box-shadow: 0 10px 24px rgba(27, 116, 182, 0.30);
}

.btn-primary:hover,
.btn-primary:focus {
    color: #fff;
    background: linear-gradient(120deg, var(--sea-900), var(--sea-700));
    transform: translateY(-1px);
    box-shadow: 0 14px 26px rgba(13, 63, 111, 0.35);
}

.btn-outline-secondary {
    color: var(--ink-700);
    border-color: #8eb9d9;
    background: rgba(255, 255, 255, 0.9);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    background: #e7f3fc;
    color: var(--ink-900);
    border-color: #6f9fc2;
    transform: translateY(-1px);
}

.form-control,
.form-select {
    border-color: #b8d5ea;
}

.form-control:focus,
.form-select:focus {
    border-color: #5daed7;
    box-shadow: 0 0 0 0.2rem rgba(44, 166, 214, 0.2);
}

.delfinas-coach-avatar {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border-radius: 50%;
    border: 3px solid #d9effa;
    box-shadow: 0 8px 16px rgba(13, 63, 111, 0.2);
}

.delfinas-footer {
    margin-top: auto;
    color: #deebf5;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    background:
        linear-gradient(180deg, rgba(6, 18, 34, 0.78), rgba(6, 18, 34, 0.84)),
        radial-gradient(circle at 10% 5%, rgba(95, 149, 190, 0.18), transparent 30%),
        repeating-linear-gradient(
            110deg,
            rgba(255, 255, 255, 0.06) 0,
            rgba(255, 255, 255, 0.06) 2px,
            transparent 2px,
            transparent 80px
        ),
        linear-gradient(180deg, #11202f 0%, #0b1624 100%);
}

.delfinas-footer .footer-inner {
    padding: 36px 0;
}

.delfinas-footer h5 {
    color: #fff;
    margin-bottom: 14px;
    font-size: 1.24rem;
    font-weight: 800;
}

.delfinas-footer h6 {
    color: #fff;
    margin: 16px 0 8px;
    font-size: 1.04rem;
    font-weight: 800;
}

.delfinas-footer p {
    margin-bottom: 8px;
    color: #d6e8f8;
}

.delfinas-footer a {
    color: #9dd8ff;
    text-decoration: none;
}

.delfinas-footer a:hover,
.delfinas-footer a:focus {
    color: #cff0ff;
    text-decoration: underline;
}

.delfinas-footer ul {
    margin: 14px 0 0;
    padding-left: 18px;
}

.delfinas-footer li {
    margin-bottom: 10px;
}

@media (max-width: 767.98px) {
    .delfinas-topbar {
        flex-direction: column;
        align-items: stretch;
    }

    .delfinas-brand {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .delfinas-logo {
        width: 158px;
    }

    .lang-switch {
        justify-content: flex-start;
        flex-wrap: wrap;
    }

    .delfinas-footer .footer-inner {
        padding: 28px 0;
    }
}