/* ==========================================================================
   Cascade Slots - Layout Stylesheet
   Header, Navigation, Main Container, Sidebar, Game Area
   ========================================================================== */

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: #070B24;
    border-bottom: 1px solid var(--color-bg-tertiary);
    padding: var(--spacing-lg) var(--spacing-xl);
    z-index: 100;
}

.header-content {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.title {
    font-size: 20px;
    font-weight: 700;
}

.balance {
    background: var(--color-header-btn);
    border: none;
    border-radius: var(--radius-md);
    padding: 0 var(--spacing-lg);
    height: 40px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.balance-amount {
    font-size: 15px;
    font-weight: 700;
}

.balance-icon {
    width: 16px;
    height: 16px;
}

.refresh-btn {
    background: var(--color-header-btn);
    border: none;
    border-radius: var(--radius-md);
    padding: 0;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.refresh-btn:hover {
    background: var(--color-border);
    color: var(--color-text-primary);
}

/* Sound Toggle Button */
.sound-btn {
    background: var(--color-header-btn);
    border: none;
    border-radius: var(--radius-md);
    padding: 0;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.sound-btn:hover {
    background: var(--color-border);
    color: var(--color-text-primary);
}

.sound-btn.muted {
    color: var(--color-text-disabled);
}

/* --------------------------------------------------------------------------
   Navigation Menu - Premium Luxury Style
   -------------------------------------------------------------------------- */
.nav-menu {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-xl);
}

.menu-item {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    padding: var(--spacing-sm) 0;
    transition: color 0.3s ease;
    cursor: pointer;
    position: relative;
    background: none;
    border: none;
    outline: none;
}

.menu-item:hover {
    color: rgba(255, 255, 255, 1);
}

.menu-item.active {
    color: rgba(255, 255, 255, 1);
}

.menu-item.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 3px;
    background: var(--color-accent);
    border-radius: 2px;
}

.menu-icon {
    display: none;
}

.menu-text {
    display: inline;
}

/* --------------------------------------------------------------------------
   Main Layout
   -------------------------------------------------------------------------- */
.main-container {
    padding-top: 80px;
    max-width: var(--max-container-width);
    width: 96%;
    margin: 0 auto;
    padding-bottom: var(--spacing-lg);
    min-height: calc(100vh - 80px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: #0B102B;
}

.game-wrapper {
    display: flex;
    flex-direction: row;
    background: var(--color-game-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: calc(100vh - 160px);
    max-height: calc(100vh - 160px);
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
.sidebar {
    width: var(--sidebar-width);
    flex-shrink: 0;
    background: var(--color-sidebar);
    border-radius: var(--radius-lg) 0 0 var(--radius-lg);
    padding: clamp(12px, 2vw, 32px);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(100vh - 120px);
}

.spacer {
    flex: 1;
}

/* --------------------------------------------------------------------------
   Game Area
   -------------------------------------------------------------------------- */
.game-area {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg) var(--spacing-2xl) var(--spacing-sm) var(--spacing-2xl);
}

.canvas-wrapper {
    position: relative;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1; /* Grow to fill available space */
    min-height: 0;
    max-width: 700px; /* Limit width to prevent canvas from growing too tall */
    margin: 0 auto;
    background: var(--color-game-bg);
}

.canvas-wrapper canvas {
    max-width: 100%;
    max-height: 100%;
    width: auto !important;
    height: auto !important;
    object-fit: contain;
}

/* Line slots: position canvas higher on desktop */
.game-line .canvas-wrapper {
    align-items: flex-start;
    padding-top: var(--spacing-lg);
}