/**
 * Policy Document Progress Tracker Styles
 */

/* ===== Progress Bar Container ===== */
.progress-bar-container {
    position: sticky;
    top: var(--header-height, 56px);
    z-index: 99; /* Below header (z-index 100+) */
    background: var(--surface-color, #ffffff);
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    padding: 0.5rem 1rem;
}

/* Adjust for collapsed header */
.reader-header.collapsed ~ .progress-bar-container {
    top: var(--header-height-collapsed, 32px);
}

.progress-bar-wrapper {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: var(--progress-bg, #e5e7eb);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent-color, #2563eb), #3b82f6);
    border-radius: 4px;
    transition: width 0.5s ease-out;
    position: relative;
}

.progress-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 2s infinite;
}

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

.progress-bar-findings {
    position: absolute;
    top: 0;
    height: 100%;
    background: rgba(245, 158, 11, 0.3);
    border-right: 2px solid #f59e0b;
    transition: width 0.3s ease;
}

.progress-stats {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 0.8125rem;
    color: var(--text-secondary, #6b7280);
    white-space: nowrap;
}

.progress-percentage {
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--accent-color, #2563eb);
    min-width: 3rem;
}

.progress-expand-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: transparent;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    transition: all 0.2s ease;
}

.progress-expand-btn:hover {
    background: var(--hover-bg, #f3f4f6);
    border-color: var(--text-secondary, #6b7280);
}

.progress-expand-btn.expanded {
    transform: rotate(180deg);
}

/* Progress Details Panel */
.progress-details {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border-color, #e5e7eb);
}

.progress-milestones h4 {
    margin: 0 0 0.5rem;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary, #111827);
}

.milestone-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.milestone-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.375rem 0.625rem;
    background: var(--surface-elevated, #f9fafb);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 16px;
    font-size: 0.75rem;
}

.milestone-item.achieved {
    background: rgba(34, 197, 94, 0.1);
    border-color: #22c55e;
}

.milestone-icon {
    font-size: 0.875rem;
}

.milestone-name {
    color: var(--text-primary, #111827);
    font-weight: 500;
}

.no-milestones {
    color: var(--text-tertiary, #9ca3af);
    font-size: 0.8125rem;
    font-style: italic;
    margin: 0;
}

/* ===== Milestone Toast ===== */
.milestone-toast-container {
    position: fixed;
    top: 80px;
    right: 20px;
    z-index: 1100;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.milestone-toast {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, #1f2937, #111827);
    color: white;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    transform: translateX(120%);
    opacity: 0;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: auto;
}

.milestone-toast.show {
    transform: translateX(0);
    opacity: 1;
}

.milestone-toast-icon {
    font-size: 2rem;
    animation: bounce 0.5s ease-out;
}

@keyframes bounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.3); }
}

.milestone-toast-content {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.milestone-toast-content strong {
    font-size: 1rem;
    font-weight: 600;
}

.milestone-toast-content span {
    font-size: 0.8125rem;
    opacity: 0.8;
}

/* ===== Breadcrumb Trail ===== */
.breadcrumb-trail {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.375rem 1rem;
    background: var(--surface-elevated, #f9fafb);
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    overflow-x: auto;
    scrollbar-width: thin;
    /* Make it sticky below the progress bar */
    position: sticky;
    top: calc(var(--header-height, 56px) + 40px); /* Header height + progress bar height */
    z-index: 98; /* Below progress bar (99) */
}

/* Adjust for collapsed header */
.reader-header.collapsed ~ .progress-bar-container ~ .breadcrumb-trail {
    top: calc(var(--header-height-collapsed, 32px) + 40px);
}

.breadcrumb-ellipsis {
    color: var(--text-tertiary, #9ca3af);
    font-size: 0.875rem;
    padding: 0 0.25rem;
}

.breadcrumb-trail::-webkit-scrollbar {
    height: 4px;
}

.breadcrumb-trail::-webkit-scrollbar-thumb {
    background: var(--border-color, #e5e7eb);
    border-radius: 2px;
}

.breadcrumb-item {
    padding: 0.25rem 0.5rem;
    background: transparent;
    border: none;
    border-radius: 4px;
    color: var(--text-secondary, #6b7280);
    font-size: 0.75rem;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s ease;
}

.breadcrumb-item:hover {
    background: var(--hover-bg, #e5e7eb);
    color: var(--text-primary, #111827);
}

.breadcrumb-item.current {
    background: var(--accent-color, #2563eb);
    color: white;
    cursor: default;
}

.breadcrumb-separator {
    color: var(--text-tertiary, #9ca3af);
    font-size: 0.75rem;
}

/* ===== Resume Banner ===== */
.resume-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.05));
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 12px;
    margin: 1rem;
    transition: all 0.3s ease;
}

.resume-banner.dismissed {
    opacity: 0;
    transform: translateY(-20px);
}

.resume-content {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.resume-icon {
    font-size: 1.5rem;
}

.resume-text {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.resume-text strong {
    font-size: 0.9375rem;
    color: var(--text-primary, #111827);
}

.resume-text span {
    font-size: 0.8125rem;
    color: var(--text-secondary, #6b7280);
}

.resume-actions {
    display: flex;
    gap: 0.5rem;
}

.resume-continue-btn {
    padding: 0.5rem 1rem;
    background: var(--accent-color, #2563eb);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.resume-continue-btn:hover {
    background: var(--accent-hover, #1d4ed8);
}

.resume-start-over-btn {
    padding: 0.5rem 1rem;
    background: transparent;
    color: var(--text-secondary, #6b7280);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: 6px;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.resume-start-over-btn:hover {
    background: var(--hover-bg, #f3f4f6);
    color: var(--text-primary, #111827);
}

/* ===== Mobile Responsive ===== */
@media (max-width: 640px) {
    .progress-bar-container {
        padding: 0.375rem 0.75rem;
    }

    .progress-bar-wrapper {
        flex-wrap: nowrap;
    }

    .progress-stats {
        gap: 0.5rem;
        font-size: 0.75rem;
    }

    .progress-expand-btn {
        width: 24px;
        height: 24px;
    }

    .resume-banner {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }

    .resume-content {
        flex-direction: column;
    }

    .resume-actions {
        justify-content: center;
    }

    .milestone-toast-container {
        right: 10px;
        left: 10px;
    }

    .breadcrumb-trail {
        padding: 0.25rem 0.75rem;
        top: calc(var(--header-height, 56px) + 32px); /* Smaller on mobile */
    }

    .breadcrumb-item {
        padding: 0.2rem 0.375rem;
        font-size: 0.7rem;
        max-width: 80px;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .breadcrumb-separator {
        font-size: 0.65rem;
    }

    .milestone-toast {
        transform: translateY(-120%);
    }

    .milestone-toast.show {
        transform: translateY(0);
    }
}

/* ===== Dark Mode ===== */
@media (prefers-color-scheme: dark) {
    .progress-bar-container {
        background: var(--surface-color, #1f2937);
        border-bottom-color: var(--border-color, #374151);
    }

    .progress-bar {
        background: var(--progress-bg, #374151);
    }

    .breadcrumb-trail {
        background: var(--surface-elevated, #111827);
        border-bottom-color: var(--border-color, #374151);
    }

    .resume-banner {
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(59, 130, 246, 0.1));
        border-color: rgba(37, 99, 235, 0.3);
    }
}