/* ============================================================
   SUBMIT.CSS — Submit Tool Page Styles
   ============================================================ */

/* ── Page Hero ────────────────────────────────────────────── */
.submit-hero {
    background: linear-gradient(160deg, #0f0c29 0%, #302b63 60%, #24243e 100%);
    padding: var(--space-12) 0 var(--space-10);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.submit-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 500px 300px at 50% 80%, rgba(99, 102, 241, 0.25) 0%, transparent 70%);
}

.submit-hero__inner {
    position: relative;
    z-index: 1;
}

.submit-hero__title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: var(--weight-black);
    color: #fff;
    margin-bottom: var(--space-3);
    letter-spacing: -0.02em;
}

.submit-hero__sub {
    font-size: var(--text-base);
    color: rgba(255, 255, 255, 0.65);
    max-width: 440px;
    margin: 0 auto;
}

/* ── Submit Layout ────────────────────────────────────────── */
.submit-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--space-8);
    padding: var(--space-10) 0 var(--space-20);
    align-items: start;
}

/* ── Form Card ────────────────────────────────────────────── */
.form-card {
    background: var(--color-surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}

.form-card__header {
    padding: var(--space-8) var(--space-8) 0;
    border-bottom: 1px solid var(--color-border-light);
    padding-bottom: var(--space-6);
    margin-bottom: 0;
}

.form-card__title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.form-card__subtitle {
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

.form-card__body {
    padding: var(--space-8);
}

/* ── Form Elements ────────────────────────────────────────── */
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-5);
}

.form-group {
    margin-bottom: var(--space-5);
}

.form-group:last-child {
    margin-bottom: 0;
}

.form-label {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

.form-label abbr {
    text-decoration: none;
    color: #ef4444;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--text-sm);
    color: var(--color-text-primary);
    background: var(--color-surface);
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
    color: var(--color-text-muted);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12);
}

.form-input.error,
.form-select.error,
.form-textarea.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
    line-height: 1.6;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath fill='%236b7280' d='M4.6 6L8 9.4 11.4 6H4.6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px;
    cursor: pointer;
}

.form-error {
    display: none;
    align-items: center;
    gap: 6px;
    margin-top: var(--space-2);
    font-size: var(--text-xs);
    color: #ef4444;
    font-weight: var(--weight-medium);
}

.form-error.visible {
    display: flex;
}

.form-hint {
    margin-top: var(--space-2);
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

/* File Upload */
.file-upload {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-8) var(--space-6);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.file-upload:hover,
.file-upload.drag-over {
    border-color: var(--color-primary);
    background: rgba(99, 102, 241, 0.04);
}

.file-upload input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-upload__icon {
    font-size: 40px;
    margin-bottom: var(--space-3);
    opacity: 0.5;
}

.file-upload__text {
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-1);
}

.file-upload__text span {
    color: var(--color-primary);
    text-decoration: underline;
}

.file-upload__hint {
    font-size: var(--text-xs);
    color: var(--color-text-muted);
}

.file-upload__preview {
    display: none;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: rgba(99, 102, 241, 0.06);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
}

.file-upload__preview.visible {
    display: flex;
}

.file-upload__preview img {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    object-fit: cover;
}

/* Submit button */
.form-submit-btn {
    width: 100%;
    padding: var(--space-4) var(--space-6);
    background: var(--gradient-cta);
    color: #fff;
    border: none;
    border-radius: var(--radius-lg);
    font-family: var(--font-sans);
    font-size: var(--text-base);
    font-weight: var(--weight-bold);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    transition: all var(--transition-base);
    margin-top: var(--space-6);
    position: relative;
    overflow: hidden;
}

.form-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(99, 102, 241, 0.4);
}

.form-submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* ── Success State ────────────────────────────────────────── */
.success-state {
    display: none;
    text-align: center;
    padding: var(--space-16) var(--space-8);
}

.success-state.visible {
    display: block;
}

.success-state__icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.12);
    border: 2px solid rgba(16, 185, 129, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 40px;
    margin: 0 auto var(--space-6);
    animation: success-pop 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
}

@keyframes success-pop {
    from {
        transform: scale(0);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.success-state__title {
    font-family: var(--font-display);
    font-size: var(--text-2xl);
    font-weight: var(--weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.success-state__text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-8);
    max-width: 360px;
    margin-inline: auto;
}

/* ── Sidebar Info Cards ────────────────────────────────────── */
.submit-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--space-5);
    position: sticky;
    top: calc(var(--header-height) + var(--space-6));
}

.info-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    border: 1px solid var(--color-border-light);
    padding: var(--space-6);
}

.info-card__icon {
    font-size: 32px;
    margin-bottom: var(--space-3);
}

.info-card__title {
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: var(--weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.info-card__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.info-card__list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.info-card__list li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: var(--weight-bold);
    flex-shrink: 0;
    margin-top: 1px;
}

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 900px) {
    .submit-layout {
        grid-template-columns: 1fr;
    }

    .submit-sidebar {
        position: static;
        order: -1;
    }

    .form-row {
        grid-template-columns: 1fr;
    }
}