:root {
    --bg: #f4f6fb;
    --bg-deep: #e8edf7;
    --text: #0f172a;
    --muted: #64748b;
    --line: #dbe2ee;
    --accent: #1d4ed8;
}

* {
    box-sizing: border-box;
}

html,
body {
    margin: 0;
    padding: 0;
}

body.support {
    min-height: 100vh;
    padding: 48px 20px;
    font-family: "SF Arabic", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Tahoma, Helvetica, Arial, sans-serif;
    color: var(--text);
    background:
        radial-gradient(ellipse 80% 60% at 50% 0%, var(--bg-deep) 0%, transparent 70%),
        linear-gradient(180deg, var(--bg) 0%, #eef2f8 100%);
    -webkit-font-smoothing: antialiased;
}

.support__page {
    max-width: 36rem;
    margin: 0 auto;
}

.support__header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 28px;
}

.support__logo {
    width: 56px;
    height: 56px;
    display: block;
    flex: none;
}

.support__brand {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.support__hint {
    margin: 4px 0 0;
    font-size: 0.875rem;
    color: var(--muted);
}

.support__card {
    padding: clamp(24px, 5vw, 40px);
    border: 1px solid var(--line);
    border-radius: 20px;
    background: #fff;
    box-shadow: 0 20px 50px rgba(15, 23, 42, 0.07);
}

.support__title {
    margin: 0 0 10px;
    font-size: clamp(1.5rem, 4vw, 1.875rem);
    font-weight: 700;
    letter-spacing: -0.03em;
}

.support__subtitle {
    margin: 0 0 24px;
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--muted);
}

.support__alert {
    margin-bottom: 20px;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 0.9375rem;
    line-height: 1.7;
}

.support__alert--success {
    border: 1px solid #bbf7d0;
    background: #f0fdf4;
    color: #166534;
}

.support__alert--danger {
    border: 1px solid #fecaca;
    background: #fef2f2;
    color: #b91c1c;
}

.support__alert-list {
    margin: 0;
    padding-inline-start: 1.25rem;
}

.support__form {
    display: grid;
    gap: 18px;
}

.support__field {
    display: grid;
    gap: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
}

.support__field input,
.support__field textarea {
    width: 100%;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    font: inherit;
    font-weight: 400;
    color: var(--text);
    background: #fbfcfe;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.support__field textarea {
    resize: vertical;
    min-height: 140px;
    line-height: 1.8;
}

.support__field input:focus,
.support__field textarea:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.12);
}

.support__submit {
    padding: 12px 20px;
    border: none;
    border-radius: 12px;
    font: inherit;
    font-weight: 600;
    color: #fff;
    background: var(--accent);
    cursor: pointer;
    transition: background 0.15s ease;
}

.support__submit:hover {
    background: #1e40af;
}

.support__back {
    display: inline-block;
    margin-top: 24px;
    font-size: 0.9375rem;
    color: var(--muted);
    text-decoration: none;
}

.support__back:hover {
    color: var(--text);
}

@media (max-width: 480px) {
    body.support {
        padding: 28px 16px;
    }

    .support__card {
        border-radius: 16px;
    }
}