/* Buttons */
.btn,
.nav-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-sm) var(--space-lg);
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    background-color: var(--color-fll-blue);
    color: white;
    gap: var(--space-sm);
}

.nav-btn {
    min-width: 120px;
    height: 48px;
}

.btn:hover,
.nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    filter: brightness(1.1);
}

.btn:active,
.nav-btn:active {
    transform: translateY(0);
}

.btn:disabled,
.nav-btn:disabled {
    background-color: var(--color-medium);
    cursor: not-allowed;
    transform: none;
    opacity: 0.6;
}

.icon-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: 50%;
    transition: background-color var(--transition-fast);
    color: var(--color-text);
}

.icon-btn:hover {
    background-color: var(--color-light);
}

/* Progress Bars */
.progress-container {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.progress-bar-mini {
    width: 100px;
    height: 8px;
    background-color: var(--color-light);
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background-color: var(--color-fll-blue);
    transition: width var(--transition-base);
}

.progress-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    display: none;
    /* Hidden on mobile */
}

@media (min-width: 768px) {
    .progress-label {
        display: block;
    }
}

/* Cards */
.card {
    background-color: var(--color-white);
    border-radius: 12px;
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

/* Overlay Menu */
.overlay-menu {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 300px;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    z-index: 100;
    padding: var(--space-lg);
    transform: translateX(0);
    transition: transform var(--transition-base);
}

.overlay-menu.hidden {
    transform: translateX(100%);
}

.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.module-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.module-item {
    padding: var(--space-md);
    border-radius: 8px;
    background-color: var(--color-bg);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.module-item:hover {
    background-color: var(--color-light);
}

.module-item.active {
    border-left: 4px solid var(--color-fll-blue);
}

/* Search */
.search-container {
    margin-bottom: var(--space-md);
    position: relative;
}

.search-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-medium);
    border-radius: 8px;
    font-size: 1rem;
}

.search-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    border: 1px solid var(--color-light);
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    max-height: 300px;
    overflow-y: auto;
    z-index: 10;
    margin-top: var(--space-xs);
}

.search-result-item {
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--color-light);
    cursor: pointer;
}

.search-result-item:hover {
    background-color: var(--color-bg);
}

.search-result-title {
    font-weight: bold;
    font-size: 0.9rem;
}

.search-result-match {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.search-no-results {
    padding: var(--space-md);
    text-align: center;
    color: var(--color-text-muted);
}

/* Favorite Button */
.favorite-btn {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    background: none;
    border: none;
    font-size: 2rem;
    color: var(--color-text-muted);
    cursor: pointer;
    z-index: 10;
    transition: transform var(--transition-fast), color var(--transition-fast);
}

.favorite-btn:hover {
    transform: scale(1.1);
}

.favorite-btn.active {
    color: var(--color-fll-yellow);
}