/* ═══════════════════════════════════════════════════════════════════════════════
   UPLOAD PAGE — SOP Cloud (simplified layout v4)
   ═══════════════════════════════════════════════════════════════════════════════ */

.upload-container {
    padding: 0;
    position: relative;
}

.upload-header {
    margin-bottom: 1.25rem;
}

.upload-header h1 {
    font-size: clamp(1.4rem, 3vw, 1.85rem);
    margin-bottom: 0.25rem !important;
    background: linear-gradient(135deg, #fff, var(--gray-300, #adb5bd));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.upload-header .lead {
    font-size: 0.95rem;
    margin-bottom: 0 !important;
}

.upload-sidebar.sticky-top {
    top: calc(var(--navbar-height, 58px) + 0.75rem) !important;
}

/* ── Files panel (no heavy card) ── */
.upload-files-panel {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
}

.upload-files-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.upload-files-label {
    font-weight: 600;
    color: #fff;
    font-size: 0.95rem;
}

/* ── Drop zone ── */
.upload-zone-wrap {
    position: relative;
}

.upload-zone {
    border: 2px dashed var(--glass-border, rgba(255, 255, 255, 0.15));
    border-radius: var(--sop-border-radius-lg, 16px);
    background: rgba(255, 255, 255, 0.025);
    transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    min-height: 280px;
}

.upload-zone:hover {
    border-color: var(--navy-accent, #0a74da);
    background: rgba(10, 116, 218, 0.08);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.upload-zone.dragover {
    border-color: var(--navy-accent, #0a74da);
    border-style: solid;
    background: rgba(10, 116, 218, 0.15);
    transform: scale(1.005);
    box-shadow: 0 0 0 3px rgba(10, 116, 218, 0.2);
}

.upload-zone.uploading {
    border-color: var(--navy-accent, #0a74da);
    border-style: solid;
    cursor: default;
}

.upload-zone.uploading .upload-zone-content {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.upload-zone-content {
    padding: 2rem 1.25rem;
    position: relative;
    z-index: 1;
}

.upload-zone-bg-runner {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.6s ease;
    overflow: hidden;
    border-radius: inherit;
}

.upload-zone-bg-runner.visible { opacity: 0.3; }
.upload-zone-bg-runner.idle-hint { opacity: 0.08; }
.upload-zone:hover .upload-zone-bg-runner.idle-hint { opacity: 0.14; }
.upload-zone.dragover .upload-zone-bg-runner { opacity: 0.22; }
.upload-zone.uploading .upload-zone-bg-runner { opacity: 0.35; }

.upload-zone-bg-svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.upload-icon i {
    font-size: 4.25rem;
    color: var(--navy-accent, #0a74da);
    opacity: 0.85;
    animation: upload-float 3s ease-in-out infinite;
}

@keyframes upload-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.upload-trust-line {
    text-align: center;
    line-height: 1.6;
}

.upload-zone-previews {
    padding: 1.25rem;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 0.75rem;
    max-height: 360px;
    overflow-y: auto;
    position: relative;
    z-index: 2;
}

/* ── File preview tiles ── */
.file-preview {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.12));
    border-radius: var(--sop-border-radius, 10px);
    padding: 0.65rem;
    text-align: center;
    transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
    position: relative;
    overflow: hidden;
}

.file-preview:hover {
    border-color: var(--navy-accent, #0a74da);
    transform: translateY(-3px);
    box-shadow: 0 4px 16px rgba(10, 116, 218, 0.2);
}

.file-preview-icon {
    font-size: 2.25rem;
    color: var(--navy-accent, #0a74da);
    margin-bottom: 0.35rem;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.file-preview-name {
    font-size: 0.7rem;
    color: var(--gray-200, #e9ecef);
    word-break: break-word;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.file-preview-size {
    font-size: 0.65rem;
    color: var(--gray-400, #adb5bd);
    margin-top: 0.2rem;
}

.file-preview-remove {
    position: absolute;
    top: 0.25rem;
    right: 0.25rem;
    background: var(--sop-danger, #dc3545);
    color: #fff;
    border: none;
    border-radius: 50%;
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.2s;
    font-size: 0.75rem;
    padding: 0;
}

.file-preview:hover .file-preview-remove { opacity: 1; }

/* ── File list ── */
.files-list {
    max-height: 320px;
    overflow-y: auto;
    display: grid;
    gap: 0.55rem;
    scrollbar-width: thin;
    scrollbar-color: var(--navy-accent, #0a74da) transparent;
}

.file-item {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
    border-radius: var(--sop-border-radius, 10px);
    padding: 0.75rem 0.9rem;
    transition: border-color 0.2s, box-shadow 0.2s;
    animation: file-slide-in 0.25s ease-out;
}

@keyframes file-slide-in {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: translateY(0); }
}

.file-item:hover {
    border-color: var(--navy-accent, #0a74da);
    box-shadow: 0 2px 12px rgba(10, 116, 218, 0.15);
}

.file-item.uploading {
    border-color: var(--navy-accent, #0a74da);
    background: rgba(10, 116, 218, 0.06);
}

.file-item.success {
    border-color: var(--sop-success, #28a745);
    background: rgba(40, 167, 69, 0.06);
}

.file-item.error {
    border-color: var(--sop-danger, #dc3545);
    background: rgba(220, 53, 69, 0.06);
}

.file-name {
    font-weight: 600;
    color: var(--gray-100, #f8f9fa);
    word-break: break-word;
    font-size: 0.9rem;
}

.file-size {
    color: var(--gray-400, #adb5bd);
    font-size: 0.8rem;
}

.file-progress-bar {
    height: 6px;
    border-radius: 999px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.3);
    margin-top: 0.5rem;
}

.file-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--navy-accent, #0a74da), var(--navy-light, #4da3ff));
    transition: width 0.25s ease;
    border-radius: 999px;
    position: relative;
}

.file-progress-fill::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    animation: progress-shimmer 1.8s infinite;
}

@keyframes progress-shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.file-status {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 0.35rem;
    font-size: 0.78rem;
    color: var(--gray-400, #adb5bd);
}

/* ── Progress ── */
.upload-runner-wrapper { position: relative; }

.upload-runner-svg {
    display: block;
    margin: 0 auto;
    border-radius: 12px;
    border: 1px solid rgba(61, 139, 255, 0.15);
    box-shadow: 0 4px 24px rgba(61, 139, 255, 0.12);
    background: #060d1f;
    max-width: 100%;
}

.upload-runner-progress-overlay {
    max-width: 480px;
    margin: 0.5rem auto 0;
}

.upload-progress-panel {
    background: rgba(0, 31, 63, 0.35);
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
    border-radius: 12px;
    padding: 1rem 1.15rem;
}

.upload-progress-panel .progress {
    height: 28px;
    background: rgba(0, 0, 0, 0.35);
    border-radius: 999px;
    overflow: hidden;
}

.upload-progress-panel .progress-bar {
    background: linear-gradient(90deg, var(--navy-accent, #0a74da), var(--navy-light, #4da3ff)) !important;
    transition: width 0.3s ease;
}

.progress-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-weight: 600;
    font-size: 0.85rem;
    color: #fff;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
    pointer-events: none;
}

/* ── Options panel ── */
.upload-options-panel {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
    border-radius: 16px;
    padding: 1.15rem 1.2rem 1rem;
    margin-bottom: 0.85rem;
}

.upload-options-title {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin: 0;
}

.upload-disk-compact {
    padding: 0.65rem 0.25rem 0;
}

/* ── Main upload button ── */
.upload-main-btn {
    background: linear-gradient(135deg, var(--navy-accent, #0a74da) 0%, var(--navy-light, #4da3ff) 100%) !important;
    border: 2px solid rgba(255, 255, 255, 0.15) !important;
    color: #fff !important;
    font-weight: 700 !important;
    letter-spacing: 0.02em;
    box-shadow: 0 6px 28px rgba(10, 116, 218, 0.35) !important;
    transition: transform 0.2s, box-shadow 0.2s !important;
    position: relative;
    overflow: hidden;
}

.upload-main-btn:not(:disabled):hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 10px 40px rgba(10, 116, 218, 0.5) !important;
}

.upload-main-btn:disabled {
    background: rgba(80, 80, 80, 0.25) !important;
    border-color: rgba(255, 255, 255, 0.08) !important;
    box-shadow: none !important;
    opacity: 0.55;
    cursor: not-allowed;
}

.upload-main-btn:not(:disabled) .bi-cloud-upload-fill {
    animation: btn-bounce 1.5s ease-in-out infinite;
}

@keyframes btn-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

.upload-container .form-control,
.upload-container .form-select {
    background: rgba(0, 31, 63, 0.45) !important;
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.12)) !important;
    color: #fff !important;
}

.upload-container .form-control:focus,
.upload-container .form-select:focus {
    border-color: var(--navy-accent, #0a74da) !important;
    box-shadow: 0 0 0 3px rgba(10, 116, 218, 0.18) !important;
}

.upload-container .accordion-button {
    background: transparent !important;
    color: #fff !important;
    box-shadow: none !important;
    padding: 0.65rem 0 !important;
    font-size: 0.9rem;
}

.upload-container .accordion-button:not(.collapsed) {
    background: transparent !important;
    color: var(--navy-light, #4da3ff) !important;
}

.upload-container .accordion-button::after {
    filter: invert(1) brightness(1.5);
}

.upload-container .accordion-body {
    background: transparent !important;
}

/* ── Toasts ── */
.upload-toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: min(380px, calc(100vw - 2rem));
    pointer-events: none;
}

.upload-toast {
    display: flex;
    align-items: flex-start;
    gap: 0.65rem;
    padding: 0.85rem 1rem;
    border-radius: 10px;
    background: rgba(15, 25, 45, 0.95);
    border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.12));
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
    color: #fff;
    font-size: 0.875rem;
    pointer-events: auto;
    animation: toast-in 0.3s ease;
    backdrop-filter: blur(12px);
}

.upload-toast.fade-out { animation: toast-out 0.25s ease forwards; }

@keyframes toast-in {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
    to { opacity: 0; transform: translateX(20px); }
}

.upload-toast-success { border-left: 3px solid var(--sop-success, #28a745); }
.upload-toast-error { border-left: 3px solid var(--sop-danger, #dc3545); }
.upload-toast-warning { border-left: 3px solid #ffc107; }
.upload-toast-info { border-left: 3px solid var(--navy-accent, #0a74da); }

.upload-toast-close {
    background: none;
    border: none;
    color: var(--gray-400, #adb5bd);
    cursor: pointer;
    padding: 0;
    margin-left: auto;
    flex-shrink: 0;
}

.upload-toast-close:hover { color: #fff; }

.upload-speed-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.6rem;
    background: rgba(10, 116, 218, 0.2);
    border: 1px solid rgba(10, 116, 218, 0.35);
    border-radius: 999px;
    font-size: 0.78rem;
    color: var(--navy-light, #4da3ff);
    font-weight: 600;
}

/* ── Responsive ── */
@media (max-width: 991px) {
    .upload-zone-content { padding: 2rem 1rem; }
    .upload-icon i { font-size: 3rem; }
    .upload-sidebar.sticky-top { position: static !important; }
    .upload-main-btn {
        position: sticky;
        bottom: 0.75rem;
        z-index: 100;
    }
}

@media (max-width: 575px) {
    .upload-zone { min-height: 220px; }
    .upload-zone-previews {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
    }
    .file-item-header {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.5rem;
    }
    .upload-toast-container {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
    }
    .upload-trust-line .mx-2 { display: none; }
    .upload-trust-line { display: flex; flex-direction: column; gap: 0.2rem; }
}