/* ------------ File Upload Styles ------------ */
/* Hide default file input */
.form-group input[type="file"] {
    position: absolute;
    left: -9999px;
    opacity: 0;
    pointer-events: none;
}

/* Wrapper */
.file-upload-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.file-upload-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 18px 20px;
    border: 2px dashed rgba(0, 212, 255, 0.4);
    border-radius: var(--border-radius-small);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    min-height: 80px;
    gap: 12px;
}

.file-upload-label:hover {
    border-color: var(--secondary-color);
    color: var(--text-primary);
    background: rgba(0, 212, 255, 0.05);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
}

.file-upload-label:active {
    transform: translateY(1px);
}

.file-upload-icon {
    font-size: 1.5rem;
    opacity: 0.7;
    transition: var(--transition);
}

.file-upload-label:hover .file-upload-icon {
    opacity: 1;
    transform: translateY(-2px);
}

.file-upload-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.file-upload-text .main-text {
    font-weight: 600;
    font-size: 1rem;
}

.file-upload-text .sub-text {
    font-size: 0.85rem;
    opacity: 0.8;
}

.file-upload-label.has-file {
    border-style: solid;
    border-color: var(--secondary-color);
    background: rgba(0, 212, 255, 0.08);
    color: var(--text-primary);
}

.file-upload-label.has-file .file-upload-icon {
    color: var(--secondary-color);
    opacity: 1;
}

.file-upload-label.drag-over {
    border-color: var(--secondary-color);
    background: rgba(0, 212, 255, 0.1);
    color: var(--text-primary);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.4);
    transform: scale(1.02);
}

.file-name {
    margin-top: 10px;
    padding: 8px 12px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: calc(var(--border-radius-small) / 2);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    border-left: 3px solid var(--secondary-color);
}

/* Thumbnail preview */
.poster-preview {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: var(--border-radius-small);
    margin-top: 10px;
    display: none;
}

.file-remove {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 24px;
    height: 24px;
    background: rgba(255, 0, 0, 0.7);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    font-size: 14px;
    display: none;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.file-upload-label.has-file+.file-remove {
    display: flex;
}

.file-remove:hover {
    background: rgba(255, 0, 0, 0.9);
    transform: scale(1.1);
}

.poster-overlay {
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: max-content;
    background: linear-gradient(145deg, rgba(16, 17, 30, 0.95), rgba(26, 28, 48, 0.98));
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow:
        0 10px 40px rgba(0, 0, 0, 0.55),
        0 0 0 1px rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    padding: 12px 16px;
    z-index: 5;
    border-radius: 0 0 var(--border-radius-small) var(--border-radius-small);
}

.poster-overlay.below {
    position: relative;
    left: auto;
    right: auto;
    bottom: auto;
    transform: none;
    margin: 12px auto 0;
    width: min(640px, 90%);
    border-radius: var(--border-radius-small);
    box-shadow:
        0 12px 24px rgba(0, 0, 0, 0.45),
        inset 0 0 0 1px rgba(255, 255, 255, 0.04);
}

.poster-overlay.poster-overlay--absolute-below {
    position: absolute;
    left: 0;
    top: calc(100% + 12px);
    bottom: auto;
    transform: none;
    margin: 0;
    width: max-content;
    max-width: min(440px, calc(100vw - 48px));
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--border-radius-small);
    z-index: 12;
}

.details-poster-change-btn {
    display: block;
    width: 100%;
    margin-top: 12px;
}

.poster-overlay-close {
    position: absolute;
    top: 6px;
    right: 6px;
    width: 26px;
    height: 26px;
    border: 1px solid rgba(255, 255, 255, 0.14);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    font-size: 18px;
    transition: background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.poster-overlay-close:hover {
    background: rgba(0, 212, 255, 0.14);
    border-color: rgba(0, 212, 255, 0.35);
    transform: scale(1.04);
}

.poster-overlay--absolute-below .overlay-arrow {
    width: 34px;
    height: 34px;
    font-size: 30px;
    border-radius: 10px;
    padding: 4px;
}

.poster-overlay--absolute-below .thumb-container {
    gap: 8px;
    padding: 2px 26px 2px 0;
}

.poster-overlay--absolute-below .thumb-wrapper {
    width: 58px;
}

.poster-overlay--absolute-below .thumb-wrapper .loading-spinner {
    width: 24px;
    height: 24px;
    border-width: 3px;
}

.poster-overlay .overlay-arrow {
    color: var(--secondary-color);
    font-size: 40px;
    cursor: pointer;
    user-select: none;
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 12px;
    flex-shrink: 0;
    transition: background 0.3s, transform 0.3s, border-color 0.3s;
}

.poster-overlay .overlay-arrow:hover {
    background: rgba(0, 212, 255, 0.12);
    border-color: rgba(0, 212, 255, 0.4);
    transform: translateY(-1px);
}

.poster-overlay .thumb-container {
    display: flex;
    overflow: hidden;
    gap: 10px;
    padding: 4px 2px;
}


.poster-overlay .thumb-wrapper {
    position: relative;
    width: 78px;
    aspect-ratio: 2 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-small);
    background: var(--card-bg);
    border: 1px solid rgba(255, 255, 255, 0.06);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
    overflow: hidden;
    transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.poster-overlay .thumb-wrapper .loading-spinner {
    position: absolute;
    inset: 0;
    margin: auto;
    width: 32px;
    height: 32px;
    border-width: 4px;
}


.poster-overlay .thumb-wrapper.active {
    border-color: rgba(0, 212, 255, 0.45);
    box-shadow:
        0 0 0 1px rgba(0, 212, 255, 0.35),
        0 8px 18px rgba(0, 0, 0, 0.35);
    transform: translateY(-2px);
}

.poster-overlay .thumb-wrapper:hover {
    border-color: rgba(255, 255, 255, 0.14);
    transform: translateY(-2px);
}

.poster-overlay .poster-thumb {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--border-radius-small) - 2px);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.poster-overlay .poster-thumb:hover {
    border-color: rgba(0, 212, 255, 0.6);
}

.poster-overlay .poster-thumb.selected {
    border-color: rgba(0, 212, 255, 0.85);
}

@media (max-width: 768px) {
    .file-upload-label {
        padding: 16px 18px;
        min-height: 70px;
    }

    .file-upload-icon {
        font-size: 1.3rem;
    }

    .file-upload-text .main-text {
        font-size: 0.9rem;
    }

    .file-upload-text .sub-text {
        font-size: 0.8rem;
    }
}