:root {
    /* Light Theme */
    --bg-page: #F7F7F6;
    --bg-sidebar: #F1F1F0;
    --bg-topbar: #FAFAF9;
    --bg-card: #FFFFFF;
    --bg-secondary: #EFEFEE;
    --border: #E2E2DF;
    --text-primary: #171717;
    --text-secondary: #6F706A;
    --text-module-title: #171717;
    --active: #E5E5E3;
    --btn-pri-bg: #FFFFFF;
    --btn-pri-border: #D8D8D5;
    --btn-pri-text: #171717;
    --btn-pri-hover: #F0F0F0;
    --btn-sec-bg: #F1F1F0;
    --btn-sec-border: transparent;
    --btn-sec-text: #6F706A;
    --btn-sec-hover: #E2E2E0;

    /* Status Colors (No Green) */
    --status-avail: #2563EB;
    --status-restr: #DC2626;
    --status-check: #D97706;

    /* Dimensions */
    --sidebar-width: 240px;
    --sidebar-collapsed: 68px;
    --topbar-height: 56px;
}

html[data-theme="dark"] {
    /* Dark Theme */
    --bg-page: #141414;
    --bg-sidebar: #191919;
    --bg-topbar: #141414;
    --bg-card: #1B1B1B;
    --bg-secondary: #252525;
    --border: #2C2C2C;
    --text-primary: #F5F5F2;
    --text-secondary: #A3A39C;
    --text-module-title: #B0B0AE;
    --active: #2A2A2A;
    --btn-pri-bg: #1F1F1F;
    --btn-pri-border: #333333;
    --btn-pri-text: #F5F5F2;
    --btn-pri-hover: #2C2C2C;
    --btn-sec-bg: #1F1F1F;
    --btn-sec-border: transparent;
    --btn-sec-text: #A3A39C;
    --btn-sec-hover: #2C2C2C;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    display: flex;
    transition: background-color 0.3s ease;
}

.sidebar {
    width: var(--sidebar-width);
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    transition: width 0.3s ease, transform 0.3s ease;
    z-index: 100;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed);
}

.sidebar-header {
    height: var(--topbar-height);
    display: flex;
    align-items: center;
    padding: 0 16px;
    border-bottom: 1px solid var(--border);
    justify-content: space-between;
}

.logo-area {
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
    white-space: nowrap;
}

.logo-text {
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.5px;
}

.logo-sub {
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 500;
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-btn:hover {
    background-color: var(--active);
}

.nav-links {
    flex: 1;
    padding: 16px 8px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    overflow: hidden;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    white-space: nowrap;
    transition: background-color 0.2s, color 0.2s;
}

.nav-item:hover {
    background-color: var(--bg-secondary);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--active);
    color: var(--text-primary);
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 12px;
    overflow: hidden;
    white-space: nowrap;
}

.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    flex-shrink: 0;
    border: 1px solid var(--border);
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 12px;
    font-weight: 600;
}

.user-id {
    font-size: 11px;
    color: var(--text-secondary);
}

.sidebar.collapsed .logo-info,
.sidebar.collapsed .nav-item span,
.sidebar.collapsed .user-info {
    display: none;
}

.sidebar.collapsed .sidebar-header {
    justify-content: center;
}

.sidebar.collapsed .sidebar-footer {
    justify-content: center;
    padding: 16px 0;
}

.main-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.topbar {
    height: var(--topbar-height);
    background-color: var(--bg-topbar);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    flex-shrink: 0;
}

.topbar-left {
    display: flex;
    flex-direction: column;
}

.topbar-title {
    font-size: 15px;
    font-weight: 600;
}

.topbar-sub {
    font-size: 11px;
    color: var(--text-secondary);
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.access-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--text-secondary);
    background-color: var(--bg-secondary);
    padding: 4px 10px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.topbar-user {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: 0.2s;
}

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

.content-area {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.section-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    font-weight: 600;
    margin-bottom: 10px;
}

.grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.card {
    background-color: var(--bg-card);
    border: none;
    border-radius: 8px;
    padding: 18px;
    min-height: 155px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 16px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.02);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-identity {
    display: flex;
    align-items: center;
    gap: 10px;
    overflow: hidden;
}

.card-icon {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-module-title);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.status-avail {
    background-color: var(--status-avail);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.status-restr {
    background-color: var(--status-restr);
    box-shadow: 0 0 0 2px rgba(220, 38, 38, 0.1);
}

.status-check {
    background-color: var(--status-check);
    box-shadow: 0 0 0 2px rgba(217, 119, 6, 0.1);
}

.card-actions {
    display: flex;
    gap: 8px;
}

.btn {
    flex: 1;
    padding: 8px 0;
    border-radius: 5px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    border: none;
    transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-primary {
    background: var(--btn-pri-bg);
    color: var(--btn-pri-text);
    border: 1px solid var(--btn-pri-border);
}

.btn-primary:hover {
    background-color: var(--btn-pri-hover);
}

.btn-secondary {
    background: var(--btn-sec-bg);
    color: var(--btn-sec-text);
    border: 1px solid var(--btn-sec-border);
}

.btn-secondary:hover {
    background-color: var(--btn-sec-hover);
    color: var(--text-primary);
}

.mobile-overlay,
.mobile-toggle {
    display: none;
}

.logo-mark {
    border-radius: 6px;
    background: var(--text-primary);
    color: var(--bg-page);
    font-weight: 700;
}

.btn {
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.btn[aria-disabled="true"] {
    opacity: 0.48;
    cursor: not-allowed;
}

.sidebar.collapsed .sidebar-header {
    height: 100px;
    flex-direction: column;
    justify-content: flex-start;
    gap: 8px;
    padding: 10px 0 8px;
}

.sidebar.collapsed .logo-area {
    width: 100%;
    justify-content: center;
    order: 1;
}

.sidebar.collapsed .toggle-btn {
    order: 2;
    margin: 0 auto;
}

.access-badge[data-state="checking"] {
    color: var(--status-check);
}

.access-badge[data-state="ready"] {
    color: var(--status-avail);
}

.access-badge[data-state="error"] {
    color: var(--status-restr);
}

.toast {
    position: fixed;
    right: 20px;
    bottom: 20px;
    z-index: 300;
    max-width: 360px;
    padding: 11px 14px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: var(--bg-card);
    color: var(--text-primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.12);
    font-size: 11px;
    opacity: 0;
    transform: translateY(8px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.toast.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .grid {
        grid-template-columns: repeat(3, 1fr);
    }

    body {
        overflow-y: auto;
        height: auto;
    }

    .content-area {
        overflow: visible;
    }
}

@media (max-width: 768px) {
    .grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .topbar-right .access-badge {
        display: none;
    }
}

@media (max-width: 580px) {
    .grid {
        grid-template-columns: 1fr;
    }

    .mobile-toggle {
        display: flex;
        margin-right: 12px;
    }

    .sidebar {
        position: fixed;
        left: -100%;
        top: 0;
        height: 100vh;
        width: 260px;
        box-shadow: 2px 0 8px rgba(0, 0, 0, 0.1);
    }

    .sidebar.mobile-open {
        left: 0;
    }

    .sidebar.collapsed {
        width: 260px;
    }

    .mobile-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 90;
    }

    .mobile-overlay.active {
        display: block;
    }

    .sidebar.collapsed .sidebar-header {
        height: var(--topbar-height);
        flex-direction: row;
        justify-content: space-between;
        gap: 0;
        padding: 0 16px;
    }

    .sidebar.collapsed .logo-area {
        width: auto;
        justify-content: flex-start;
    }

    .sidebar.collapsed .logo-info,
    .sidebar.collapsed .nav-item span,
    .sidebar.collapsed .user-info {
        display: flex;
    }

    .sidebar.collapsed .toggle-btn {
        display: none;
    }
}