/* ===================================
   NovaCup - Collaboration Request Modal
   (پاپ‌آپ درخواست همکاری - لود شده در تمام صفحات)
   =================================== */

.collab-modal {
    position: fixed;
    inset: 0;
    z-index: 100010;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.4s;
}

.collab-modal.active {
    opacity: 1;
    visibility: visible;
}

.collab-modal .modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 8, 0.78);
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
}

.collab-modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 540px;
    max-height: min(640px, 90vh);
    overflow: hidden;
    background: #111111;
    border-radius: 26px;
    border: 1px solid rgba(59, 130, 246, 0.32);
    box-shadow:
        0 0 0 1px rgba(59, 130, 246, 0.08),
        0 30px 90px rgba(0, 0, 0, 0.65),
        0 0 70px rgba(29, 78, 216, 0.22);
    transform: scale(0.92) translateY(24px);
    transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.collab-modal.active .collab-modal-content {
    transform: scale(1) translateY(0);
}

/* Sticky chrome: back/close stay reachable no matter how far the body
   below has scrolled. */
.collab-modal-chrome {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    padding: 14px 16px;
    position: relative;
    z-index: 6;
}

/* Scrollable body — kept inset from the card's rounded outer edges so a
   straight scrollbar never visually cuts across a rounded corner. */
.collab-modal-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 0 32px 28px;
    -webkit-mask-image: linear-gradient(to bottom, transparent 0, #000 14px, #000 calc(100% - 14px), transparent 100%);
    mask-image: linear-gradient(to bottom, transparent 0, #000 14px, #000 calc(100% - 14px), transparent 100%);
}

.collab-modal-body::-webkit-scrollbar {
    width: 5px;
}

.collab-modal-body::-webkit-scrollbar-thumb {
    background: rgba(59, 130, 246, 0.35);
    border-radius: 10px;
}

/* Decorative glows, matching the site's video-modal treatment */
.collab-glow {
    position: absolute;
    width: 220px;
    height: 220px;
    border-radius: 50%;
    filter: blur(90px);
    opacity: 0.35;
    pointer-events: none;
    z-index: 0;
}

.collab-glow.glow-left {
    top: -60px;
    left: -60px;
    background: var(--blue-primary, #1d4ed8);
}

.collab-glow.glow-right {
    bottom: -60px;
    right: -60px;
    background: var(--blue-secondary, #3b82f6);
}

.collab-modal .modal-close {
    flex-shrink: 0;
    margin-inline-start: auto;
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: #fff;
    transition: all 0.3s ease;
}

.collab-modal .modal-close:hover {
    background: rgba(59, 130, 246, 0.25);
    border-color: rgba(59, 130, 246, 0.5);
    transform: rotate(90deg);
}

.collab-modal .modal-close svg {
    width: 18px;
    height: 18px;
}

/* ---------- Steps ---------- */
.collab-step {
    position: relative;
    z-index: 1;
    display: none;
    opacity: 0;
    transform: translateY(12px);
}

.collab-step.active {
    display: block;
    animation: collabStepIn 0.45s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

.collab-header {
    text-align: center;
    margin-bottom: 18px;
}

.collab-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 6px;
    font-family: var(--font-title, inherit);
}

.collab-subtitle {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.6;
}

/* ---------- Step 1: choose type ---------- */
.collab-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.collab-option {
    display: flex;
    align-items: center;
    gap: 14px;
    width: 100%;
    padding: 13px 16px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 16px;
    cursor: pointer;
    text-align: right;
    font-family: inherit;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.collab-option:hover,
.collab-option:focus-visible {
    background: rgba(59, 130, 246, 0.08);
    border-color: rgba(59, 130, 246, 0.45);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(29, 78, 216, 0.18);
    outline: none;
}

.collab-option-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    border-radius: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(29, 78, 216, 0.25), rgba(59, 130, 246, 0.12));
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
}

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

.collab-option-text {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 0;
}

.collab-option-title {
    font-size: 0.98rem;
    font-weight: 700;
    color: #fff;
}

.collab-option-desc {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.45);
    line-height: 1.6;
}

.collab-option-arrow {
    flex-shrink: 0;
    color: rgba(59, 130, 246, 0.6);
    font-size: 1.1rem;
    transition: transform 0.3s ease;
}

.collab-option:hover .collab-option-arrow {
    transform: translateX(-4px);
    color: #60a5fa;
}

/* ---------- Step 2: form ---------- */
.collab-form {
    display: flex;
    flex-direction: column;
    gap: 13px;
}

.collab-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.collab-field label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

.collab-field label span {
    color: #ff6b6b;
}

.collab-field input,
.collab-field textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    padding: 11px 16px;
    color: #fff;
    font-family: inherit;
    font-size: 0.92rem;
    transition: all 0.3s ease;
    resize: vertical;
}

.collab-field input::placeholder,
.collab-field textarea::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.collab-field input:focus,
.collab-field textarea:focus {
    outline: none;
    border-color: rgba(59, 130, 246, 0.6);
    background: rgba(59, 130, 246, 0.06);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.12);
}

.collab-error {
    display: none;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
    font-size: 0.85rem;
    padding: 10px 14px;
    border-radius: 10px;
    text-align: center;
}

.collab-error.active {
    display: block;
}

.collab-submit {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 14px;
    background: var(--blue-gradient, linear-gradient(135deg, #1d4ed8 0%, #60a5fa 100%));
    color: #fff;
    font-family: inherit;
    font-size: 0.98rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 12px 30px rgba(29, 78, 216, 0.35);
}

.collab-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px rgba(29, 78, 216, 0.45);
}

.collab-submit:disabled {
    cursor: not-allowed;
    opacity: 0.85;
    transform: none;
}

.collab-submit-loader {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-top-color: #fff;
    border-radius: 50%;
}

.collab-submit.loading .collab-submit-loader {
    display: block;
    animation: collabSpin 0.7s linear infinite;
}

.collab-submit.loading .collab-submit-text {
    opacity: 0.7;
}

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

/* ---------- Step 3: success ---------- */
.collab-step-success {
    text-align: center;
    padding: 20px 0 6px;
}

.collab-success-check {
    position: relative;
    width: 96px;
    height: 96px;
    margin: 0 auto 24px;
}

.collab-success-check .pulse-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid rgba(59, 130, 246, 0.5);
    animation: collabPulse 1.8s cubic-bezier(0.16, 1, 0.3, 1) infinite;
}

.collab-success-check .pulse-ring:nth-child(2) {
    animation-delay: 0.5s;
}

@keyframes collabPulse {
    0% {
        transform: scale(0.7);
        opacity: 0.9;
    }
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

.collab-success-check svg {
    position: relative;
    width: 96px;
    height: 96px;
    z-index: 1;
}

.collab-success-check .check-circle {
    stroke: #3b82f6;
    stroke-width: 3;
    fill: rgba(59, 130, 246, 0.08);
    stroke-dasharray: 152;
    stroke-dashoffset: 152;
    animation: collabDrawCircle 0.6s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

.collab-success-check .check-mark {
    stroke: #60a5fa;
    stroke-width: 4;
    stroke-linecap: round;
    stroke-linejoin: round;
    fill: none;
    stroke-dasharray: 40;
    stroke-dashoffset: 40;
    animation: collabDrawCheck 0.4s 0.55s cubic-bezier(0.65, 0, 0.45, 1) forwards;
}

@keyframes collabDrawCircle {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes collabDrawCheck {
    to {
        stroke-dashoffset: 0;
    }
}

.collab-success-title {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 10px;
    opacity: 0;
    animation: collabFadeUp 0.5s 0.7s ease forwards;
}

.collab-success-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.8;
    margin-bottom: 28px;
    opacity: 0;
    animation: collabFadeUp 0.5s 0.85s ease forwards;
}

@keyframes collabFadeUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.collab-done-btn {
    padding: 13px 36px;
    border: 1px solid rgba(59, 130, 246, 0.4);
    border-radius: 12px;
    background: rgba(59, 130, 246, 0.1);
    color: #fff;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    animation: collabFadeUp 0.5s 1s ease forwards;
}

.collab-done-btn:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: rgba(59, 130, 246, 0.6);
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
    .collab-modal {
        padding: 14px;
    }

    .collab-modal-content {
        border-radius: 20px;
        max-height: min(94vh, 94dvh);
    }

    .collab-modal-chrome {
        padding: 12px 14px;
    }

    .collab-modal-body {
        padding: 0 20px 20px;
    }

    .collab-title {
        font-size: 1.2rem;
    }

    .collab-header {
        margin-bottom: 14px;
    }

    .collab-option {
        padding: 12px 14px;
        gap: 12px;
    }

    .collab-option-icon {
        width: 38px;
        height: 38px;
        border-radius: 11px;
    }

    .collab-option-icon svg {
        width: 18px;
        height: 18px;
    }

    .collab-option-title {
        font-size: 0.88rem;
    }

    .collab-option-desc {
        font-size: 0.73rem;
    }

    .collab-form {
        gap: 11px;
    }
}

@media (max-width: 380px) {
    .collab-modal {
        padding: 8px;
    }

    .collab-modal-body {
        padding: 0 16px 16px;
    }
}