.suggest-tool-page {
    background:
        radial-gradient(circle at top left, rgba(11, 79, 217, 0.04), transparent 24%),
        linear-gradient(180deg, #fbfcff 0%, #f6f8fc 100%);
}

.suggest-main {
    min-height: calc(100svh - 70px);
}

.suggest-section {
    padding: clamp(52px, 8vw, 92px) 0 clamp(60px, 8vw, 108px);
    background: #ffffff;
}

.suggest-wrap {
    max-width: 760px;
    margin: 0 auto;
}

.suggest-intro {
    max-width: 700px;
    margin-bottom: clamp(30px, 4vw, 42px);
}

.suggest-intro h1 {
    margin: 14px 0 0;
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.4rem);
    line-height: 1.03;
    letter-spacing: -0.05em;
}

.suggest-intro p {
    max-width: 680px;
    margin: 16px 0 0;
    color: var(--text-muted);
    font-size: clamp(1rem, 1.7vw, 1.12rem);
    line-height: 1.55;
}

.suggest-form {
    display: flex;
    flex-direction: column;
    gap: 26px;
}

.form-field {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-field label {
    font-family: var(--font-heading);
    font-size: 0.98rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.required-mark {
    color: #5b6df3;
}

.optional-mark {
    color: var(--text-muted);
    font-family: var(--font-body);
    font-weight: 400;
}

.suggest-form input,
.suggest-form select,
.suggest-form textarea {
    width: 100%;
    border: 1px solid rgba(17, 33, 59, 0.1);
    border-radius: 16px;
    background: #ffffff;
    color: var(--text-primary);
    padding: 16px 18px;
    font-size: 0.95rem;
    line-height: 1.55;
    outline: none;
    transition: border-color var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
}

.suggest-form input::placeholder,
.suggest-form textarea::placeholder {
    color: #99a4b7;
}

.suggest-form textarea {
    min-height: 156px;
    resize: vertical;
}

.suggest-form select {
    appearance: none;
    background-image:
        linear-gradient(45deg, transparent 50%, currentColor 50%),
        linear-gradient(135deg, currentColor 50%, transparent 50%);
    background-position:
        calc(100% - 22px) calc(50% - 3px),
        calc(100% - 15px) calc(50% - 3px);
    background-size: 7px 7px, 7px 7px;
    background-repeat: no-repeat;
    color: var(--text-primary);
}

.suggest-form input:focus,
.suggest-form select:focus,
.suggest-form textarea:focus {
    border-color: rgba(91, 109, 243, 0.68);
    box-shadow: 0 0 0 4px rgba(91, 109, 243, 0.1);
}

.suggest-form input.is-invalid,
.suggest-form textarea.is-invalid {
    border-color: rgba(220, 38, 38, 0.5);
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.08);
}

.form-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    padding-top: 4px;
}

.suggest-submit,
.suggest-secondary {
    min-height: 52px;
    padding: 0 22px;
    border-radius: 16px;
    font-size: 0.92rem;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.suggest-submit {
    border: none;
    color: #ffffff;
    background: var(--bg-accent);
    box-shadow: 0 10px 22px rgba(11, 79, 217, 0.18);
}

.suggest-submit:disabled {
    cursor: wait;
    opacity: 0.76;
    transform: none;
    box-shadow: 0 6px 14px rgba(11, 79, 217, 0.14);
}

.suggest-submit:hover,
.suggest-submit:focus-visible,
.suggest-secondary:hover,
.suggest-secondary:focus-visible {
    transform: translateY(-1px);
}

.suggest-submit:focus-visible,
.suggest-secondary:focus-visible {
    outline: 2px solid rgba(59, 130, 246, 0.24);
    outline-offset: 3px;
}

.suggest-secondary {
    border: 1px solid rgba(17, 33, 59, 0.1);
    background: rgba(247, 251, 255, 0.86);
    color: var(--text-primary);
}

.form-note {
    margin: -6px 0 0;
    color: var(--text-muted);
    font-size: 0.84rem;
}

.form-status {
    min-height: 1.5em;
    margin: -8px 0 0;
    color: #2159d8;
    font-size: 0.88rem;
    font-weight: 600;
}

.form-status.is-success {
    color: #0f7a51;
}

.form-status.is-error {
    color: #c62828;
}

.form-status.is-pending {
    color: #2159d8;
}

html[data-theme="dark"] .suggest-tool-page {
    background:
        radial-gradient(circle at top left, rgba(59, 130, 246, 0.1), transparent 22%),
        linear-gradient(180deg, #08111f 0%, #0a1322 100%);
}

html[data-theme="dark"] .suggest-section {
    background: transparent;
}

html[data-theme="dark"] .suggest-intro p {
    color: var(--text-secondary);
}

html[data-theme="dark"] .suggest-form input,
html[data-theme="dark"] .suggest-form select,
html[data-theme="dark"] .suggest-form textarea {
    border-color: rgba(148, 163, 184, 0.16);
    background: rgba(13, 22, 39, 0.9);
    color: var(--text-primary);
}

html[data-theme="dark"] .suggest-form input::placeholder,
html[data-theme="dark"] .suggest-form textarea::placeholder {
    color: #7f91ad;
}

html[data-theme="dark"] .suggest-secondary {
    border-color: rgba(148, 163, 184, 0.16);
    background: rgba(19, 30, 48, 0.82);
    color: var(--text-primary);
}

html[data-theme="dark"] .form-status {
    color: #9ec5ff;
}

html[data-theme="dark"] .form-status.is-success {
    color: #8ee0b2;
}

html[data-theme="dark"] .form-status.is-error {
    color: #ff9a9a;
}

@media (max-width: 780px) {
    .suggest-section {
        padding: 38px 0 62px;
    }

    .suggest-wrap,
    .suggest-intro,
    .suggest-intro p {
        max-width: none;
    }

    .suggest-intro h1 {
        font-size: clamp(1.9rem, 9vw, 2.7rem);
    }

    .suggest-form {
        gap: 22px;
    }

    .suggest-form input,
    .suggest-form select,
    .suggest-form textarea {
        padding: 14px 16px;
        font-size: 1rem;
    }

    .form-field label {
        font-size: 0.94rem;
    }

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

    .suggest-submit,
    .suggest-secondary {
        width: 100%;
    }
}

@media (max-width: 520px) {
    .suggest-section {
        padding: 30px 0 54px;
    }

    .suggest-intro {
        margin-bottom: 26px;
    }

    .suggest-intro h1 {
        font-size: clamp(1.8rem, 10vw, 2.4rem);
    }

    .suggest-intro p {
        font-size: 0.96rem;
    }

    .suggest-form {
        gap: 20px;
    }

    .suggest-form textarea {
        min-height: 136px;
    }

    .suggest-submit,
    .suggest-secondary {
        min-height: 50px;
        padding: 0 18px;
    }

    .form-note,
    .form-status {
        font-size: 0.82rem;
    }
}