:root {
    --bg: #f4f7f6;
    --bg-soft: #f8fbfa;
    --bg-soft-blue: #eef4f7;
    --surface: #ffffff;
    --surface-muted: #f7faf9;
    --text: #132238;
    --text-soft: #51606f;
    --text-faint: #768494;
    --border: #dde6e2;
    --border-strong: #c8d3ce;
    --primary: #166534;
    --primary-dark: #0f3d25;
    --primary-soft: #dcfce7;
    --secondary: #0f172a;
    --secondary-soft: #eff6ff;
    --success: #15803d;
    --success-soft: #dcfce7;
    --danger: #dc2626;
    --danger-soft: #fee2e2;
    --warning: #d97706;
    --warning-soft: #fef3c7;
    --info: #2563eb;
    --info-soft: #dbeafe;
    --neutral-soft: #eef2f0;
    --shadow-sm: 0 12px 28px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 22px 48px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 30px 68px rgba(15, 23, 42, 0.12);
    --radius-sm: 14px;
    --radius-md: 20px;
    --radius-lg: 28px;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 92px;
    --content-max-width: 1680px;
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-7: 1.75rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --ease-premium: cubic-bezier(0.16, 1, 0.3, 1);
}

html,
body {
    max-width: 100%;
    overflow-x: clip;
}

body {
    background:
        radial-gradient(circle at top left, rgba(22, 101, 52, 0.06), transparent 26%),
        linear-gradient(180deg, #fbfcfb 0%, var(--bg) 100%);
    color: var(--text);
}

body.page-scrolled .topbar {
    box-shadow: 0 18px 34px rgba(15, 23, 42, 0.08);
}

.app-shell {
    background:
        radial-gradient(circle at top right, rgba(37, 99, 235, 0.06), transparent 18%),
        radial-gradient(circle at bottom left, rgba(22, 101, 52, 0.06), transparent 20%),
        linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(244, 247, 246, 0.96) 100%);
}

.content-shell,
.page-shell,
.page-shell-inner,
.row > [class*="col-"],
.card,
.card-body,
.table-responsive,
.topbar-main,
.topbar-tools,
.topbar-search-cluster,
.topbar-action-cluster,
.page-toolbar,
.filter-panel,
.quick-links,
.chat-layout,
.roster-planner-content {
    min-width: 0;
}

.app-shell-active .content-shell {
    margin-left: var(--sidebar-width);
    transition: margin-left 220ms var(--ease-premium);
}

body.sidebar-collapsed.app-shell-active .content-shell {
    margin-left: var(--sidebar-collapsed-width);
}

.page-shell {
    padding: clamp(1rem, 1.7vw, 1.6rem) clamp(1rem, 2vw, 2rem) clamp(1.8rem, 3vw, 2.8rem);
}

.page-shell-inner {
    width: min(100%, var(--content-max-width));
    margin: 0 auto;
}

.sidebar {
    width: var(--sidebar-width);
    padding: 1.1rem 0.95rem 0.95rem;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(18px);
    border-right: 1px solid rgba(200, 211, 206, 0.7);
    box-shadow: 22px 0 50px rgba(15, 23, 42, 0.05);
    transition: width 220ms var(--ease-premium), transform 220ms var(--ease-premium);
}

.sidebar-scroll {
    padding-right: 0.15rem;
}

.sidebar-scroll::-webkit-scrollbar {
    width: 8px;
}

.sidebar-scroll::-webkit-scrollbar-thumb {
    background: rgba(118, 132, 148, 0.28);
    border-radius: 999px;
}

.brand-mark {
    border-radius: 15px;
    background: linear-gradient(145deg, var(--secondary) 0%, var(--primary) 100%);
    box-shadow: 0 14px 28px rgba(15, 23, 42, 0.18);
}

.brand-name {
    font-size: 0.96rem;
    letter-spacing: -0.01em;
}

.brand-role,
.sidebar-section-label {
    color: var(--text-faint);
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 30;
    padding: clamp(0.8rem, 1.2vw, 1rem) clamp(1rem, 2vw, 2rem);
    background: rgba(244, 247, 246, 0.7);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(221, 230, 226, 0.8);
    transition: box-shadow 180ms ease, background 180ms ease;
}

.topbar-main,
.topbar-main-minimal {
    width: min(100%, var(--content-max-width));
    margin: 0 auto;
    min-height: 64px;
    padding: 0.35rem 0;
}

.topbar-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.topbar-title-group {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.topbar-tools {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.topbar-search-cluster,
.topbar-action-cluster {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.page-title {
    margin: 0;
    font-size: clamp(1.35rem, 1.5vw, 1.9rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--secondary);
}

.eyebrow {
    margin-bottom: 0.45rem;
    color: var(--primary);
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.section-title,
h2,
h3,
h4 {
    color: var(--secondary);
    letter-spacing: -0.03em;
}

.section-title {
    font-size: clamp(1.05rem, 1.2vw, 1.35rem);
    font-weight: 800;
}

.text-muted,
.form-text,
.field-hint,
.table-meta,
.small.text-muted {
    color: var(--text-soft) !important;
}

.page-toolbar {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.page-toolbar > *:last-child {
    flex-shrink: 0;
}

.page-hero-card {
    padding: clamp(1.1rem, 1.4vw, 1.5rem);
    border: 1px solid rgba(221, 230, 226, 0.95);
    border-radius: calc(var(--radius-md) + 2px);
    background:
        linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(247, 250, 249, 0.98) 100%);
    box-shadow: var(--shadow-sm);
}

.page-hero-card::after {
    opacity: 0.55;
}

.btn,
.icon-button,
.topbar-toggle,
.sidebar-pin-toggle,
.sidebar-close,
.user-menu-button {
    border-radius: 14px;
    transition:
        transform 160ms ease,
        box-shadow 180ms ease,
        background-color 180ms ease,
        border-color 180ms ease,
        color 180ms ease;
}

.btn {
    min-height: 44px;
    padding: 0.72rem 1rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.btn-sm {
    min-height: 36px;
    padding: 0.48rem 0.78rem;
    border-radius: 12px;
}

.btn-lg {
    min-height: 52px;
    border-radius: 16px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #1f8f47 100%);
    border-color: transparent;
    box-shadow: 0 12px 24px rgba(22, 101, 52, 0.18);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background: linear-gradient(135deg, #14532d 0%, #18743d 100%);
    border-color: transparent;
}

.btn-outline-primary {
    border-color: rgba(22, 101, 52, 0.22);
    color: var(--primary);
    background: rgba(255, 255, 255, 0.76);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus,
.btn-outline-primary:active {
    background: rgba(22, 101, 52, 0.08);
    border-color: rgba(22, 101, 52, 0.3);
    color: var(--primary-dark);
}

.btn-outline-secondary {
    border-color: rgba(15, 23, 42, 0.12);
    color: var(--secondary);
    background: rgba(255, 255, 255, 0.82);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus,
.btn-outline-secondary:active {
    background: rgba(15, 23, 42, 0.05);
    border-color: rgba(15, 23, 42, 0.18);
    color: var(--secondary);
}

.form-control,
.form-select,
.input-shell,
textarea.form-control {
    min-height: 46px;
    border-radius: 14px;
    border-color: rgba(200, 211, 206, 0.95);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4);
    color: var(--text);
}

textarea.form-control {
    min-height: 120px;
}

.form-control::placeholder,
.form-select,
input::placeholder,
textarea::placeholder {
    color: #8a97a5;
}

.form-control:focus,
.form-select:focus,
.input-shell:focus-within {
    border-color: rgba(22, 101, 52, 0.32);
    box-shadow: 0 0 0 0.25rem rgba(22, 101, 52, 0.12);
}

.form-label {
    margin-bottom: 0.45rem;
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--secondary);
}

.dropdown-menu,
.modal-content {
    border: 1px solid rgba(221, 230, 226, 0.96);
    border-radius: 18px;
    box-shadow: var(--shadow-md);
}

.modal-content {
    overflow: hidden;
}

.icon-button,
.topbar-toggle,
.sidebar-pin-toggle,
.sidebar-close {
    width: 44px;
    height: 44px;
    border: 1px solid rgba(221, 230, 226, 0.95);
    background: rgba(255, 255, 255, 0.92);
    color: var(--secondary);
}

.icon-button-avatar {
    overflow: hidden;
    padding: 0;
}

.icon-button:hover,
.topbar-toggle:hover,
.sidebar-pin-toggle:hover,
.sidebar-close:hover,
.user-menu-button:hover,
.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.1);
}

.user-menu-button {
    min-height: 46px;
    padding: 0.45rem 0.7rem 0.45rem 0.5rem;
    border: 1px solid rgba(221, 230, 226, 0.96);
    background: rgba(255, 255, 255, 0.88);
}

.user-avatar {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    box-shadow: none;
    overflow: hidden;
    flex: 0 0 auto;
}

.user-avatar-compact,
.user-avatar-fallback {
    width: 100%;
    height: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: inherit;
}

.user-avatar-image {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    border-radius: inherit;
}

.messages-stack {
    display: grid;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.app-alert {
    border-radius: 16px;
    border-width: 1px;
}

.pagination {
    gap: 0.45rem;
    flex-wrap: wrap;
}

.page-link {
    min-width: 40px;
    height: 40px;
    border-radius: 12px;
    border: 1px solid rgba(221, 230, 226, 0.96);
    color: var(--secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.page-item.active .page-link {
    background: var(--secondary);
    border-color: var(--secondary);
}

.auth-page .auth-shell {
    min-height: 100vh;
    min-height: calc(var(--app-vh, 1vh) * 100);
}