/* ============================================
   فرم ثبت پروژه لنالند — طراحی اختصاصی CSS3
   ============================================ */

.lnld-form-wrap {
    --lnld-primary: #6d28d9;
    --lnld-primary-2: #4f46e5;
    --lnld-accent: #06b6d4;
    --lnld-dark: #0f172a;
    --lnld-text: #1e293b;
    --lnld-muted: #64748b;
    --lnld-border: #e2e8f0;
    --lnld-bg: #ffffff;
    --lnld-field-bg: #f8fafc;
    --lnld-radius: 16px;
    --lnld-radius-sm: 12px;
    --lnld-shadow: 0 20px 60px -15px rgba(79, 70, 229, 0.25);

    font-family: 'Vazirmatn', 'IRANSans', 'Segoe UI', Tahoma, sans-serif;
    max-width: 820px;
    margin: 40px auto;
    padding: 0 16px;
    direction: rtl;
    box-sizing: border-box;
}

.lnld-form-wrap *,
.lnld-form-wrap *::before,
.lnld-form-wrap *::after {
    box-sizing: border-box;
}

/* ---------- کارت اصلی ---------- */
.lnld-card {
    position: relative;
    background: var(--lnld-bg);
    border-radius: var(--lnld-radius);
    padding: 40px;
    box-shadow: var(--lnld-shadow);
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.8);
    animation: lnldCardIn 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes lnldCardIn {
    from { opacity: 0; transform: translateY(30px) scale(0.98); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* درخشش پس‌زمینه متحرک */
.lnld-card__glow {
    position: absolute;
    top: -120px;
    left: -80px;
    width: 320px;
    height: 320px;
    background: radial-gradient(circle, rgba(109, 40, 217, 0.18), transparent 70%);
    filter: blur(20px);
    pointer-events: none;
    animation: lnldGlow 8s ease-in-out infinite alternate;
}

@keyframes lnldGlow {
    0%   { transform: translate(0, 0) scale(1); }
    100% { transform: translate(60px, 40px) scale(1.2); }
}

/* ---------- هدر ---------- */
.lnld-card__header {
    position: relative;
    margin-bottom: 32px;
    text-align: center;
}

.lnld-badge {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    color: var(--lnld-primary-2);
    background: linear-gradient(135deg, rgba(109, 40, 217, 0.1), rgba(6, 182, 212, 0.1));
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
    letter-spacing: 0.2px;
}

.lnld-title {
    font-size: 28px;
    font-weight: 800;
    color: var(--lnld-dark);
    margin: 0 0 10px;
    background: linear-gradient(135deg, var(--lnld-primary), var(--lnld-accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.lnld-subtitle {
    font-size: 15px;
    color: var(--lnld-muted);
    margin: 0;
    line-height: 1.8;
}

/* ---------- چیدمان فیلدها ---------- */
.lnld-fields {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.lnld-col-full { grid-column: 1 / -1; }
.lnld-col-half { grid-column: span 1; }

.lnld-field {
    position: relative;
    animation: lnldFieldIn 0.5s ease backwards;
}

.lnld-field:nth-child(1) { animation-delay: 0.05s; }
.lnld-field:nth-child(2) { animation-delay: 0.1s; }
.lnld-field:nth-child(3) { animation-delay: 0.15s; }
.lnld-field:nth-child(4) { animation-delay: 0.2s; }
.lnld-field:nth-child(5) { animation-delay: 0.25s; }

@keyframes lnldFieldIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ---------- برچسب‌ها ---------- */
.lnld-label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--lnld-text);
    margin-bottom: 8px;
}

.lnld-req { color: #ef4444; margin-right: 2px; }
.lnld-optional { color: var(--lnld-muted); font-weight: 400; font-size: 12px; }

/* ---------- ورودی‌ها ---------- */
.lnld-input-wrap { position: relative; }

.lnld-input,
.lnld-select {
    width: 100%;
    padding: 14px 16px;
    font-size: 15px;
    font-family: inherit;
    color: var(--lnld-text);
    background: var(--lnld-field-bg);
    border: 2px solid var(--lnld-border);
    border-radius: var(--lnld-radius-sm);
    transition: all 0.25s ease;
    outline: none;
}

.lnld-input::placeholder { color: #94a3b8; }

.lnld-input:focus,
.lnld-select:focus {
    border-color: var(--lnld-primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(109, 40, 217, 0.1);
    transform: translateY(-1px);
}

.lnld-textarea { resize: vertical; min-height: 90px; line-height: 1.8; }

/* ---------- سلکت سفارشی ---------- */
.lnld-select-wrap { position: relative; }

.lnld-select {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    padding-left: 44px;
}

.lnld-caret {
    position: absolute;
    left: 16px;
    top: 50%;
    width: 10px;
    height: 10px;
    border-right: 2px solid var(--lnld-muted);
    border-bottom: 2px solid var(--lnld-muted);
    transform: translateY(-70%) rotate(45deg);
    pointer-events: none;
    transition: 0.25s;
}

.lnld-select-wrap:focus-within .lnld-caret {
    border-color: var(--lnld-primary);
    transform: translateY(-30%) rotate(225deg);
}

/* ---------- کارت‌های انتخابی (رادیویی با آیکون) ---------- */
.lnld-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.lnld-card-opt {
    position: relative;
    cursor: pointer;
    user-select: none;
}

.lnld-card-opt input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
    pointer-events: none;
}

.lnld-card-opt__inner {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px 14px;
    background: var(--lnld-field-bg);
    border: 2px solid var(--lnld-border);
    border-radius: var(--lnld-radius-sm);
    transition: all 0.22s ease;
    text-align: center;
    height: 100%;
}

.lnld-card-opt__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: #fff;
    color: var(--lnld-muted);
    border: 1px solid var(--lnld-border);
    transition: all 0.22s ease;
}

.lnld-card-opt__icon svg { width: 24px; height: 24px; }

.lnld-card-opt__text {
    font-size: 14px;
    font-weight: 600;
    color: var(--lnld-text);
}

.lnld-card-opt__check {
    position: absolute;
    top: 10px;
    left: 10px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    border: 2px solid #cbd5e1;
    background: #fff;
    transition: all 0.22s ease;
}

.lnld-card-opt__check::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 5px;
    width: 4px;
    height: 8px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(45deg) scale(0);
    transition: transform 0.2s ease;
}

/* حالت هاور */
.lnld-card-opt:hover .lnld-card-opt__inner {
    border-color: var(--lnld-primary);
    transform: translateY(-2px);
}

.lnld-card-opt:hover .lnld-card-opt__icon {
    color: var(--lnld-primary);
    border-color: var(--lnld-primary);
}

/* حالت انتخاب‌شده */
.lnld-card-opt input:checked ~ .lnld-card-opt__inner {
    border-color: var(--lnld-primary);
    background: linear-gradient(135deg, rgba(109,40,217,0.06), rgba(79,70,229,0.06));
    box-shadow: 0 8px 24px -10px rgba(109,40,217,0.4);
}

.lnld-card-opt input:checked ~ .lnld-card-opt__inner .lnld-card-opt__icon {
    background: linear-gradient(135deg, var(--lnld-primary), var(--lnld-primary-2));
    color: #fff;
    border-color: transparent;
}

.lnld-card-opt input:checked ~ .lnld-card-opt__inner .lnld-card-opt__check {
    background: var(--lnld-primary);
    border-color: var(--lnld-primary);
}

.lnld-card-opt input:checked ~ .lnld-card-opt__inner .lnld-card-opt__check::after {
    transform: rotate(45deg) scale(1);
}

/* فوکوس کیبورد برای دسترس‌پذیری */
.lnld-card-opt input:focus-visible ~ .lnld-card-opt__inner {
    box-shadow: 0 0 0 4px rgba(109,40,217,0.18);
}

/* ---------- چیپ‌های چندگزینه‌ای ---------- */
.lnld-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.lnld-chip {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--lnld-field-bg);
    border: 2px solid var(--lnld-border);
    border-radius: 100px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.lnld-chip input { position: absolute; opacity: 0; pointer-events: none; }

.lnld-chip__box {
    width: 18px;
    height: 18px;
    border: 2px solid #cbd5e1;
    border-radius: 6px;
    transition: all 0.2s ease;
    position: relative;
    flex-shrink: 0;
}

.lnld-chip__box::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 5px;
    width: 4px;
    height: 9px;
    border-right: 2px solid #fff;
    border-bottom: 2px solid #fff;
    transform: rotate(45deg) scale(0);
    transition: transform 0.2s ease;
}

.lnld-chip__text { font-size: 14px; color: var(--lnld-text); }

.lnld-chip:hover {
    border-color: var(--lnld-primary);
    transform: translateY(-2px);
}

.lnld-chip input:checked ~ .lnld-chip__box {
    background: linear-gradient(135deg, var(--lnld-primary), var(--lnld-primary-2));
    border-color: var(--lnld-primary);
}

.lnld-chip input:checked ~ .lnld-chip__box::after { transform: rotate(45deg) scale(1); }

.lnld-chip:has(input:checked) {
    background: linear-gradient(135deg, rgba(109, 40, 217, 0.08), rgba(79, 70, 229, 0.08));
    border-color: var(--lnld-primary);
}

/* ---------- آپلود فایل ---------- */
.lnld-upload {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 32px 20px;
    border: 2px dashed var(--lnld-border);
    border-radius: var(--lnld-radius-sm);
    background: var(--lnld-field-bg);
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
}

.lnld-upload:hover {
    border-color: var(--lnld-primary);
    background: rgba(109, 40, 217, 0.04);
}

.lnld-upload__icon {
    width: 44px;
    height: 44px;
    color: var(--lnld-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(109, 40, 217, 0.1);
    border-radius: 50%;
}

.lnld-upload__icon svg { width: 22px; height: 22px; }
.lnld-upload__text { font-size: 14px; color: var(--lnld-muted); }
.lnld-upload__name { font-size: 13px; color: var(--lnld-primary); font-weight: 600; }

/* ---------- دکمه ارسال ---------- */
.lnld-actions { margin-top: 28px; }

.lnld-submit {
    position: relative;
    width: 100%;
    padding: 16px;
    font-size: 16px;
    font-weight: 700;
    font-family: inherit;
    color: #fff;
    background: var(--lnld-primary);
    border: none;
    border-radius: var(--lnld-radius-sm);
    cursor: pointer;
    transition: background 0.2s ease, transform 0.15s ease;
    letter-spacing: 0.2px;
}

.lnld-submit:hover {
    background: #5b21b6;
}

.lnld-submit:active { transform: scale(0.99); }

.lnld-submit:focus-visible {
    outline: none;
    box-shadow: 0 0 0 4px rgba(109,40,217,0.25);
}

.lnld-submit__shine { display: none; }

.lnld-submit__loader {
    display: none;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: lnldSpin 0.7s linear infinite;
    margin: 0 auto;
}

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

.lnld-submit.is-loading .lnld-submit__text { display: none; }
.lnld-submit.is-loading .lnld-submit__loader { display: block; }
.lnld-submit.is-loading { pointer-events: none; opacity: 0.85; }

/* ---------- پیام نتیجه ---------- */
.lnld-message {
    margin-top: 18px;
    padding: 0;
    border-radius: var(--lnld-radius-sm);
    font-size: 14px;
    text-align: center;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
}

.lnld-message.is-visible { padding: 14px 18px; max-height: 120px; }
.lnld-message.is-success { background: rgba(16, 185, 129, 0.12); color: #047857; border: 1px solid rgba(16, 185, 129, 0.3); }
.lnld-message.is-error   { background: rgba(239, 68, 68, 0.1); color: #b91c1c; border: 1px solid rgba(239, 68, 68, 0.3); }

/* ---------- حالت‌های خطا ---------- */
.lnld-input.lnld-invalid {
    border-color: #ef4444 !important;
    background: rgba(239, 68, 68, 0.04);
}

.lnld-cards.lnld-cards--invalid .lnld-card-opt__inner {
    border-color: rgba(239, 68, 68, 0.5);
}

/* موبایل از چپ‌به‌راست نمایش داده شود */
#lnld_mobile {
    direction: ltr;
    text-align: right;
}

/* ---------- ریسپانسیو ---------- */
@media (max-width: 640px) {
    .lnld-card { padding: 24px 18px; }
    .lnld-fields { grid-template-columns: 1fr; gap: 16px; }
    .lnld-col-half { grid-column: 1 / -1; }
    .lnld-title { font-size: 22px; }
    .lnld-cards { gap: 10px; }
    .lnld-card-opt__inner { padding: 16px 8px; }
    .lnld-card-opt__icon { width: 42px; height: 42px; }
    .lnld-card-opt__text { font-size: 13px; }
}