/* ===========================================
   INTERLINK GO - Navigation Styles
   Side Navigation for TV - Flutter Style
   =========================================== */

/* ===== Side Navigation ===== */
#side-nav {
    position: fixed;
    left: 0;
    top: 0;
    width: var(--nav-width, 240px);
    height: 100%;
    background-color: var(--color-bg-primary);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    z-index: var(--z-nav);
    padding: var(--spacing-sm) 0;
}

/* ===== Logo ===== */
.nav-logo {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: var(--spacing-sm);
    padding-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    width: 100%;
    flex-shrink: 0;
}

.nav-logo-icon {
    width: 56px;
    height: 56px;
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
    flex-shrink: 0;
    overflow: hidden;
}

.nav-logo-icon.has-image {
    background-color: rgba(255, 255, 255, 0.04);
}

.nav-logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 6px;
}

.nav-logo-icon svg {
    width: 30px;
    height: 30px;
    fill: #ffffff;
}

.nav-logo-icon.has-image svg {
    display: none;
}

.nav-logo-text {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-left: var(--spacing-sm);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ===== Navigation Items ===== */
.nav-items {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: var(--spacing-xs);
    width: 100%;
    padding: 0 var(--spacing-sm);
}

.nav-item {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    width: 100%;
    height: 56px;
    border-radius: var(--radius-md);
    color: var(--color-text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
    position: relative;
    flex-shrink: 0;
    padding: 0 var(--spacing-sm);
}

.nav-item-icon {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.nav-item-icon svg {
    width: 100%;
    height: 100%;
    fill: currentColor;
}

.nav-item-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: inherit;
    margin-left: var(--spacing-md);
    white-space: nowrap;
}

/* Hover State */
.nav-item:hover {
    color: var(--color-text-secondary);
    background-color: var(--color-bg-tertiary);
}

/* Active State - Flutter style rounded background */
.nav-item.active {
    background-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-glow-primary);
}

/* Focused State - For TV navigation */
.nav-item.focused {
    background-color: var(--color-focus);
    color: var(--color-bg-primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-focus);
}

/* Active + Focused */
.nav-item.active.focused {
    background-color: var(--color-primary-hover);
    color: white;
    transform: scale(1.1);
    box-shadow: var(--shadow-glow-primary);
}

/* ===== Category Tabs ===== */
.category-tabs {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) 0;
    overflow-x: auto;
    scroll-behavior: smooth;
}

.category-tabs::-webkit-scrollbar {
    display: none;
}

.category-tab {
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--transition-fast);
    outline: none;
    border: 2px solid transparent;
}

.category-tab:hover {
    background-color: var(--color-bg-elevated);
    color: var(--color-text-primary);
}

.category-tab.active {
    background-color: var(--color-primary);
    color: white;
}

.category-tab.focused {
    border-color: var(--color-focus);
    transform: scale(1.05);
    box-shadow: var(--shadow-focus);
}

/* ===== Search Bar ===== */
.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md) var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.search-bar:hover {
    background-color: var(--color-bg-elevated);
}

.search-bar.focused {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow-primary);
}

.search-icon {
    color: var(--color-text-muted);
    margin-right: var(--spacing-sm);
    width: 24px;
    height: 24px;
}

.search-input {
    flex: 1;
    background: none;
    border: none;
    color: var(--color-text-primary);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    outline: none;
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

/* ===== Section Headers ===== */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
}

.section-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
}

.section-title-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
}

.section-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-primary);
    cursor: pointer;
    transition: color var(--transition-fast);
}

.section-link:hover {
    color: var(--color-primary-hover);
}

/* ===== Page Counter Badge ===== */
.counter-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

@media (max-width: 1024px) {
    #side-nav {
        position: relative;
        width: 100%;
        height: auto;
        border-bottom: 1px solid var(--color-divider);
        padding: var(--spacing-sm) var(--spacing-md);
        align-items: stretch;
    }

    .nav-logo {
        margin-bottom: var(--spacing-sm);
        padding: 0;
    }

    .nav-logo-icon {
        width: 42px;
        height: 42px;
    }

    .nav-logo-icon svg {
        width: 20px;
        height: 20px;
    }

    .nav-logo-image {
        padding: 5px;
    }

    .nav-logo-text {
        font-size: var(--font-size-base);
    }

    .nav-items {
        flex-direction: row;
        gap: var(--spacing-sm);
        overflow-x: auto;
        padding: 0;
    }

    .nav-item {
        min-width: max-content;
        width: auto;
        height: 44px;
        padding: 0 var(--spacing-md);
    }

    .nav-item-icon {
        width: 20px;
        height: 20px;
    }

    .nav-item-label {
        margin-left: var(--spacing-sm);
        font-size: var(--font-size-sm);
    }
}