/* ============================================
   KV-Stream - Layout Styles
   PIXEL-PERFECT NETFLIX LAYOUT
   ============================================ */

/* ============================================
   NETFLIX TOP HEADER
   ============================================ */
.netflix-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--netflix-bg-header);
    z-index: var(--z-header);
    display: flex;
    align-items: center;
    padding: 0 var(--row-padding);
    transition: background 0.4s ease;
}

.netflix-header.scrolled {
    background: var(--netflix-bg-header-scrolled);
    box-shadow: var(--shadow-header);
}

.netflix-header__logo {
    display: flex;
    align-items: center;
    margin-right: 40px;
}

.netflix-header__logo svg,
.netflix-header__logo img {
    height: 28px;
    width: auto;
}

.netflix-header__nav {
    display: flex;
    align-items: center;
    gap: 20px;
    flex: 1;
}

.netflix-header__nav-link {
    color: var(--netflix-text-secondary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    transition: color var(--transition-fast);
    white-space: nowrap;
    text-decoration: none;
}

.netflix-header__nav-link:hover {
    color: var(--netflix-text-muted);
}

.netflix-header__nav-link.active {
    color: var(--netflix-text);
    font-weight: var(--font-weight-bold);
}

.netflix-header__right {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-left: auto;
}

.netflix-header__search {
    background: none;
    border: none;
    color: var(--netflix-text);
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.netflix-header__search svg {
    width: 24px;
    height: 24px;
}

.netflix-header__profile {
    width: 32px;
    height: 32px;
    border-radius: var(--card-radius);
    overflow: hidden;
    cursor: pointer;
    transition: border-color var(--transition-fast);
    border: 1px solid transparent;
}

.netflix-header__profile:hover {
    border-color: var(--netflix-text);
}

.netflix-header__profile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   LEGACY SIDEBAR (Hidden on Desktop with Header)
   ============================================ */
.sidebar {
    display: none;
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */
.app-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--netflix-bg);
}

.main-content {
    flex: 1;
    padding-top: var(--header-height);
    background: var(--netflix-bg);
    min-height: 100vh;
}

.main {
    padding: 0;
    max-width: 100%;
}

/* ============================================
   NETFLIX ROW SECTIONS
   ============================================ */
.netflix-row-section {
    position: relative;
    margin: var(--row-margin) 0;
    z-index: var(--z-row);
}

.netflix-row-section:hover {
    z-index: calc(var(--z-row) + 1);
}

.netflix-row-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--netflix-text-secondary);
    margin: 0 0 12px var(--row-padding);
    transition: color var(--transition-fast);
}

.netflix-row-section:hover .netflix-row-title {
    color: var(--netflix-text);
}

/* ============================================
   VIEW TABS
   ============================================ */
.view-tabs {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    padding: 0 var(--row-padding);
}

.view-tab {
    background: transparent;
    border: 1px solid var(--netflix-text-muted);
    color: var(--netflix-text-secondary);
    padding: 8px 20px;
    border-radius: var(--btn-radius);
    font-family: inherit;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.view-tab:hover {
    border-color: var(--netflix-text);
    color: var(--netflix-text);
}

.view-tab.active {
    background: var(--netflix-text);
    color: var(--netflix-bg);
    border-color: var(--netflix-text);
}

/* ============================================
   FLOATING SEARCH BUTTON
   ============================================ */
.floating-search-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: var(--netflix-red);
    border: none;
    border-radius: 50%;
    color: var(--netflix-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: calc(var(--z-header) + 1);
    box-shadow: var(--shadow-card);
    transition: all var(--transition-base);
}

.floating-search-btn:hover {
    transform: scale(1.1);
    background: var(--netflix-red-hover);
}

.floating-search-btn svg {
    width: 20px;
    height: 20px;
}

/* ============================================
   BACK TO TOP BUTTON
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 80px;
    right: 20px;
    width: 48px;
    height: 48px;
    background: var(--netflix-bg-card);
    border: 1px solid var(--netflix-border);
    border-radius: 50%;
    color: var(--netflix-text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 99;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--netflix-red);
    border-color: var(--netflix-red);
}

.back-to-top svg {
    width: 24px;
    height: 24px;
}