/* ============================================================
   JCUK Contact Form — Premium Styling
   ============================================================ */

/* ---- Reset & Base ---- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

:root {
    /* Colour palette */
    --color-bg: #f4f5f7;
    --color-card: #ffffff;
    --color-border: #e2e4e9;
    --color-border-focus: #9ec965;
    --color-text: #1a1d26;
    --color-text-secondary: #6b7084;
    --color-text-placeholder: #a0a4b2;
    --color-primary: #9ec965;
    --color-primary-hover: #8bb357;
    --color-primary-accent: #c4e49a;
    --color-primary-glow: rgba(158, 201, 101, 0.2);
    --color-error: #e5484d;
    --color-error-bg: #fef2f2;
    --color-success: #9ec965;
    --color-success-bg: #f7faf2;
    --color-success-glow: rgba(158, 201, 101, 0.15);

    /* Typography */
    --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.8125rem;
    --font-size-base: 0.9375rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 2.5rem;

    /* Radii */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.25rem;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 1px 4px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
    --shadow-focus: 0 0 0 3px var(--color-primary-glow);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
}

/* ---- Layout ---- */
.form-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    padding: var(--space-lg);
}

.form-card {
    width: 100%;
    max-width: 520px;
    background: var(--color-card);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2xl);
    position: relative;
    overflow: hidden;
    animation: slideUp 0.5s var(--transition-base) both;
    transition: height var(--transition-base);
}

/* Subtle gradient accent along the top */
.form-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-accent) 100%);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
    z-index: 10;
}

/* ---- Multi-step Container ---- */
.steps-container {
    position: relative;
}

/* ---- Header ---- */
.form-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.header-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: var(--color-primary);
    color: #fff;
    margin-bottom: var(--space-md);
    box-shadow: 0 4px 14px var(--color-primary-glow);
}

.form-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-xs);
}

.form-subtitle {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    max-width: 340px;
    margin: 0 auto;
}

/* ---- Multi-step Transitions ---- */
.form-step {
    width: 100%;
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    transition:
        opacity var(--transition-base),
        transform var(--transition-base),
        visibility var(--transition-base);
    transform: translateY(16px);
    pointer-events: none;
    z-index: 1;
}

.form-step.visible {
    opacity: 1;
    visibility: visible;
    position: relative;
    transform: translateY(0);
    pointer-events: auto;
    z-index: 2;
}

.form-step.exiting {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    /* Force absolute during exit to allow next step to take over */
    transform: translateY(-16px);
    pointer-events: none;
}

.step-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-md);
    text-align: center;
}

/* ---- Step 1: Issue Grid ---- */
.issue-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.issue-card,
.customer-need-card,
.pre-sale-issue-card,
.delivery-issue-card,
.order-issue-card,
.payment-issue-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    background: var(--color-bg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    text-align: center;
}

.issue-card:hover,
.customer-need-card:hover,
.pre-sale-issue-card:hover,
.delivery-issue-card:hover,
.order-issue-card:hover,
.payment-issue-card:hover {
    background: #fff;
    border-color: var(--color-border);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.issue-card:active,
.customer-need-card:active,
.pre-sale-issue-card:active,
.delivery-issue-card:active,
.order-issue-card:active,
.payment-issue-card:active {
    transform: translateY(0);
}

.issue-card:focus,
.customer-need-card:focus,
.pre-sale-issue-card:focus,
.delivery-issue-card:focus,
.order-issue-card:focus,
.payment-issue-card:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.issue-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    box-shadow: var(--shadow-sm);
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast);
}

.issue-card:hover .issue-icon,
.customer-need-card:hover .issue-icon,
.pre-sale-issue-card:hover .issue-icon,
.delivery-issue-card:hover .issue-icon,
.order-issue-card:hover .issue-icon,
.payment-issue-card:hover .issue-icon {
    background: var(--color-primary);
    color: #fff;
}

/* ---- Step 2: Details Styles ---- */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    margin-bottom: var(--space-md);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition:
        color var(--transition-fast),
        background-color var(--transition-fast);
}

.back-link:hover {
    color: var(--color-primary);
    background: var(--color-bg);
}

.back-link svg {
    transition: transform var(--transition-fast);
}

.back-link:hover svg {
    transform: translateX(-2px);
}

.issue-detail-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.issue-detail-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    border-radius: 50%;
    background: rgba(158, 201, 101, 0.12);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.issue-detail-icon svg {
    width: 32px;
    height: 32px;
}

.issue-detail-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.01em;
    margin-bottom: var(--space-xs);
}

.issue-detail-description {
    max-width: 360px;
    margin: 0 auto;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.issue-detail-context {
    margin-top: var(--space-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    color: var(--color-primary);
}

.detail-step-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.selected-issue-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 12px;
    margin-bottom: var(--space-md);
    border: 1px solid rgba(158, 201, 101, 0.28);
    border-radius: 999px;
    background: rgba(158, 201, 101, 0.08);
    color: var(--color-primary);
    font-size: var(--font-size-xs);
    font-weight: 700;
}

.selected-issue-pill[hidden] {
    display: none;
}

.selected-issue-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.selected-issue-icon svg {
    width: 16px;
    height: 16px;
}

.selected-issue-label {
    color: var(--color-text);
}

/* ---- Form Groups ---- */
.form-group {
    margin-bottom: var(--space-lg);
    position: relative;
}

.form-label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.01em;
}

.required {
    color: var(--color-error);
    font-weight: 500;
}

.optional-tag {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg);
    padding: 2px 8px;
    border-radius: 999px;
    margin-left: 6px;
    vertical-align: middle;
}

/* ---- Inputs ---- */
.form-input {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    outline: none;
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        background-color var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
}

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

.form-input:hover {
    border-color: #c8cad3;
}

.form-input:focus {
    border-color: var(--color-border-focus);
    background: var(--color-card);
    box-shadow: var(--shadow-focus);
}

.form-input.input-error {
    border-color: var(--color-error);
    background: var(--color-error-bg);
}

.form-input.input-error:focus {
    box-shadow: 0 0 0 3px rgba(229, 72, 77, 0.15);
}

/* ---- Product Brand Search ---- */
.product-brand-combobox {
    position: relative;
}

.product-brand-dropdown {
    display: grid;
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    right: 0;
    z-index: 20;
    max-height: 220px;
    overflow-y: auto;
    background: var(--color-card);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    animation: fadeIn var(--transition-fast) both;
}

.product-brand-dropdown[hidden] {
    display: none;
}

.product-brand-option {
    width: 100%;
    padding: 10px 14px;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    background: var(--color-card);
    border: 0;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast);
}

.product-brand-option:last-of-type {
    border-bottom: 0;
}

.product-brand-option:hover,
.product-brand-option:focus {
    outline: none;
    background: rgba(158, 201, 101, 0.12);
    color: var(--color-text);
}

.product-brand-option[hidden] {
    display: none;
}

.product-brand-empty {
    padding: 10px 14px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    background: var(--color-bg);
}

/* ---- Return Questions ---- */
.return-question-list {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.return-question {
    border: 0;
    padding: 0;
    margin: 0;
}

.return-question .form-label {
    line-height: 1.4;
}

.yes-no-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm);
}

.yes-no-option {
    position: relative;
    display: block;
    cursor: pointer;
}

.yes-no-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.yes-no-option span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 10px 12px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 700;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        color var(--transition-fast);
}

.yes-no-option:hover span {
    border-color: #c8cad3;
    background: var(--color-card);
}

.yes-no-option input:focus-visible + span {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.yes-no-option input:checked + span {
    border-color: var(--color-primary);
    background: rgba(158, 201, 101, 0.12);
    color: var(--color-text);
}

.return-question.input-error .yes-no-option span {
    border-color: var(--color-error);
    background: var(--color-error-bg);
}

/* ---- Select ---- */
.select-wrapper {
    position: relative;
}

.form-select {
    cursor: pointer;
    padding-right: 44px;
}

.select-chevron {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-secondary);
    pointer-events: none;
    transition: color var(--transition-fast);
}

.form-select:focus~.select-chevron {
    color: var(--color-primary);
}

/* ---- Textarea ---- */
.form-textarea {
    resize: vertical;
    min-height: 120px;
    max-height: 300px;
    line-height: 1.5;
}

.char-count {
    font-size: var(--font-size-xs);
    color: var(--color-text-placeholder);
    text-align: right;
    margin-top: var(--space-xs);
    transition: color var(--transition-fast);
    position: absolute;
    right: 0;
}

.char-count.near-limit {
    color: #e5a100;
}

.char-count.at-limit {
    color: var(--color-error);
    font-weight: 600;
}

/* ---- Field Errors ---- */
.field-error {
    font-size: var(--font-size-xs);
    color: var(--color-error);
    margin-top: 6px;
    min-height: 0;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-4px);
    transition:
        opacity var(--transition-fast),
        transform var(--transition-fast);
}

.field-error.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- reCAPTCHA ---- */
.recaptcha-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: var(--space-lg);
}

/* ---- Submit Button ---- */
.submit-btn {
    width: 100%;
    padding: 14px 24px;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    color: #fff;
    background: var(--color-primary);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition:
        transform var(--transition-fast),
        box-shadow var(--transition-fast),
        opacity var(--transition-fast);
    box-shadow: 0 2px 8px var(--color-primary-glow);
}

.submit-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--color-primary-glow);
}

.submit-btn:active:not(:disabled) {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.submit-btn .btn-text {
    transition: opacity var(--transition-fast);
}

.submit-btn .btn-loader {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.submit-btn.loading .btn-text {
    opacity: 0;
}

.submit-btn.loading .btn-loader {
    opacity: 1;
}

.next-btn {
    margin-top: var(--space-sm);
}

/* Spinner animation */
.spinner {
    width: 22px;
    height: 22px;
    animation: spin 0.8s linear infinite;
}

/* ---- Global Messages ---- */
.global-message {
    text-align: center;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-top: var(--space-md);
    display: none;
}

.global-message.visible {
    display: block;
    animation: fadeIn var(--transition-base) both;
}

.error-message {
    background: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid rgba(229, 72, 77, 0.2);
}

/* ---- Success State ---- */
.success-state {
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    transform: translateY(-40%);
    text-align: center;
    padding: var(--space-xl) 0;
    transition:
        opacity var(--transition-slow),
        transform var(--transition-slow),
        visibility var(--transition-slow);
}

.success-state.visible {
    opacity: 1;
    visibility: visible;
    position: relative;
    top: 0;
    transform: translateY(0);
}

.success-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-success-bg);
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
    animation: scaleIn 0.4s 0.15s cubic-bezier(0.34, 1.56, 0.64, 1) both;
    box-shadow: 0 6px 24px var(--color-success-glow);
}

.success-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.success-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    max-width: 340px;
    margin: 0 auto var(--space-xl);
    line-height: 1.6;
}

.reset-btn {
    padding: 10px 24px;
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    background: transparent;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition:
        border-color var(--transition-fast),
        background-color var(--transition-fast);
}

.reset-btn:hover {
    border-color: var(--color-primary);
    background: rgba(79, 110, 247, 0.04);
}

/* ---- Animations ---- */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.6);
    }

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

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    20% {
        transform: translateX(-6px);
    }

    40% {
        transform: translateX(6px);
    }

    60% {
        transform: translateX(-4px);
    }

    80% {
        transform: translateX(4px);
    }
}

.shake {
    animation: shake 0.4s ease-in-out;
}

/* ---- Responsive ---- */
@media (max-width: 560px) {
    .form-wrapper {
        padding: var(--space-md);
    }

    .form-card {
        padding: var(--space-xl) var(--space-lg);
        border-radius: var(--radius-lg);
    }

    .form-title {
        font-size: 1.25rem;
    }

    .header-icon {
        width: 48px;
        height: 48px;
    }

    .header-icon svg {
        width: 22px;
        height: 22px;
    }

    /* Scale reCAPTCHA on small screens */
    .recaptcha-wrapper .g-recaptcha {
        transform: scale(0.85);
        transform-origin: center;
    }
}

@media (max-width: 380px) {
    .form-card {
        padding: var(--space-lg) var(--space-md);
    }

    .recaptcha-wrapper .g-recaptcha {
        transform: scale(0.75);
    }
}

/* ---- Blocked Access Screen ---- */
.blocked-access {
    position: fixed;
    inset: 0;
    background: var(--color-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    z-index: 9999;
}

.blocked-card {
    background: var(--color-card);
    padding: var(--space-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    max-width: 440px;
    width: 100%;
    text-align: center;
    animation: slideUp 0.5s var(--transition-base) both;
    position: relative;
}

.blocked-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--color-error);
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.blocked-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--color-error-bg);
    color: var(--color-error);
    margin-bottom: var(--space-lg);
    box-shadow: 0 6px 24px rgba(229, 72, 77, 0.15);
}

.blocked-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.blocked-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-xl);
}

.blocked-link {
    display: inline-block;
    padding: 12px 24px;
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.blocked-link:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px var(--color-primary-glow);
}

/* ---- Evidence Upload Zone ---- */
.upload-zone {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    cursor: pointer;
    background: var(--color-bg);
    transition:
        border-color var(--transition-fast),
        background-color var(--transition-fast),
        transform var(--transition-fast);
    position: relative;
}

.upload-zone:hover {
    border-color: var(--color-primary);
    background: rgba(158, 201, 101, 0.04);
}

.upload-zone:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.upload-zone.drag-over {
    border-color: var(--color-primary);
    background: rgba(158, 201, 101, 0.08);
    transform: scale(1.01);
}

.upload-zone.at-limit {
    opacity: 0.5;
    pointer-events: none;
    cursor: not-allowed;
}

.upload-zone-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
}

.upload-zone-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(158, 201, 101, 0.12);
    color: var(--color-primary);
    margin-bottom: var(--space-xs);
    transition:
        background-color var(--transition-fast),
        color var(--transition-fast);
}

.upload-zone:hover .upload-zone-icon {
    background: var(--color-primary);
    color: #fff;
}

.upload-zone-text {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    margin: 0;
}

.upload-zone-text strong {
    color: var(--color-primary);
}

.upload-zone-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-placeholder);
    margin: 0;
}

.upload-input {
    display: none;
}

/* ---- Upload File List ---- */
.upload-file-list {
    display: none;
    margin-top: var(--space-sm);
}

.upload-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-xs);
    animation: fadeIn var(--transition-fast) both;
}

.upload-file-info {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex: 1;
}

.upload-file-type-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.upload-file-name {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.upload-file-size {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    background: var(--color-card);
    padding: 2px 8px;
    border-radius: 999px;
    white-space: nowrap;
    flex-shrink: 0;
}

.upload-file-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--color-text-placeholder);
    border-radius: var(--radius-sm);
    cursor: pointer;
    flex-shrink: 0;
    margin-left: var(--space-sm);
    transition:
        color var(--transition-fast),
        background-color var(--transition-fast);
}

.upload-file-remove:hover {
    color: var(--color-error);
    background: var(--color-error-bg);
}