/* ========================================
   LAYOUT.CSS - Estrutura Principal
   ======================================== */

/* ========================================
   MAIN LAYOUT STRUCTURE
   ======================================== */

.app {
    display: flex;
    position: relative;
    min-height: 100vh;
    width: 100%;
    overflow-x: hidden;
}

.content {
    flex: 1;
    min-height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-xl);
    margin-left: var(--sidebar-width);
    background-color: var(--color-background);
    transition: margin-left var(--transition-slow);
}

@media (max-width: 768px) {
    .content {
        margin-left: 0;
        padding: var(--spacing-md);
    }
}

/* ========================================
   SIDEBAR
   ======================================== */

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-md);
    z-index: var(--z-fixed);
    transition: transform var(--transition-slow),
        background-color var(--transition-base),
        border-color var(--transition-base);
}

/* Sidebar Header (Logo + Theme Toggle) */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.sidebar-logo {
    height: 32px;
    width: auto;
    object-fit: contain;
}

/* Theme Toggle Button */
.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background-color: transparent;
    color: var(--sidebar-text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--sidebar-item-hover);
    border-color: var(--color-active);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
}

/* Sidebar Navigation */
.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Scrollbar Styling */
.sidebar-nav::-webkit-scrollbar {
    width: 6px;
}

.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-nav::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: var(--graffite-600);
}

/* Navigation List */
.nav-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

/* Divider */
.nav-divider {
    height: 1px;
    background-color: var(--color-divider);
    margin: var(--spacing-sm) 0;
}

/* Section Title */
.nav-section-title {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-top: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Navigation Item */
.nav-item {
    width: 100%;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
}

.nav-link:hover {
    background-color: var(--sidebar-item-hover);
    color: var(--sidebar-text-hover);
}

.nav-link.active {
    background-color: rgba(67, 91, 198, 0.1);
    color: var(--sidebar-item-active);
    font-weight: var(--font-weight-semibold);
}

.nav-link.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 70%;
    background-color: var(--sidebar-item-active);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.nav-text {
    flex: 1;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Bottom Section (Settings, User) */
.sidebar-bottom {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* User Section */
.user-section {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    border-top: 1px solid var(--color-divider);
    padding-top: var(--spacing-md);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-border);
    object-fit: cover;
    flex-shrink: 0;
}

.user-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.user-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: var(--font-size-xs);
    color: var(--color-text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logout-button {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    border: none;
    background-color: transparent;
    color: var(--sidebar-text);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.logout-button:hover {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.logout-button svg {
    width: 18px;
    height: 18px;
}

/* ========================================
   MOBILE SIDEBAR
   ======================================== */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    /* Overlay */
    .sidebar-overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background-color: rgba(0, 0, 0, 0.5);
        z-index: calc(var(--z-fixed) - 1);
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition-base), visibility var(--transition-base);
    }

    .sidebar-overlay.show {
        opacity: 1;
        visibility: visible;
    }

    /* Mobile Menu Button */
    .mobile-menu-button {
        position: fixed;
        top: var(--spacing-md);
        left: var(--spacing-md);
        width: 44px;
        height: 44px;
        border-radius: var(--radius-md);
        border: 1px solid var(--color-border);
        background-color: var(--color-surface);
        color: var(--color-text-primary);
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: var(--z-sticky);
        box-shadow: var(--shadow-md);
        transition: all var(--transition-fast);
    }

    .mobile-menu-button:hover {
        background-color: var(--color-hover);
        border-color: var(--color-active);
    }

    .mobile-menu-button svg {
        width: 24px;
        height: 24px;
    }
}

@media (min-width: 769px) {
    .mobile-menu-button {
        display: none;
    }

    .sidebar-overlay {
        display: none;
    }
}

/* ========================================
   PAGE HEADER
   ======================================== */

.page-header {
    margin-bottom: var(--spacing-2xl);
}

.page-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--graffite-100);
    margin-bottom: var(--spacing-xs);
    line-height: 1.2;
}

[data-theme="dark"] .page-title {
    color: var(--graffite-100);
}

.page-subtitle {
    font-size: var(--font-size-md);
    color: var(--graffite-400);
    font-weight: var(--font-weight-normal);
}

[data-theme="dark"] .page-subtitle {
    color: var(--graffite-400);
}

/* ========================================
   RESPONSIVE ADJUSTMENTS
   ======================================== */

@media (max-width: 1024px) {
    .content {
        padding: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .page-header {
        margin-bottom: var(--spacing-xl);
    }

    .page-title {
        font-size: var(--font-size-2xl);
    }

    .page-subtitle {
        font-size: var(--font-size-sm);
    }
}

@media (max-width: 480px) {
    .content {
        padding: var(--spacing-md);
    }

    .page-title {
        font-size: var(--font-size-xl);
    }
}