:root {
    --color-main: #F0F0F2;
    --color-sub: #DFDFE3;
    --color-contrast: #010101;
    --color-highlight: #7F00E1;
    --color-card-bg: #DFDFE3;
    --color-muted: rgba(1, 1, 1, 0.6);
    --color-placeholder: rgba(1, 1, 1, 0.4);
    --font-primary: 'Instrument Sans', sans-serif;
    --transition-speed: 0.2s;
    --border-radius-lg: 16px;
    --border-radius-md: 12px;
    --border-radius-sm: 8px;
    --border-radius-pill: 100px;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-main);
    color: var(--color-contrast);
    overflow: hidden;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

#app {
    width: 100vw;
    height: 100vh;
    display: flex;
}

/* Utilities */
.hidden { display: none !important; }
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.h-full { height: 100%; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.mt-auto { margin-top: auto; }

/* Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--color-sub);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: #c0c0c5;
}

/* Buttons */
.btn {
    background-color: var(--color-sub);
    color: var(--color-contrast);
    border: none;
    padding: 0.65rem 1.25rem;
    border-radius: var(--border-radius-md);
    font-family: var(--font-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-speed);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 0.9rem;
}

.btn:hover {
    background-color: #d2d2d6;
    transform: translateY(-1px);
}

.btn:active {
    transform: translateY(0);
}

.btn.primary {
    background-color: var(--color-contrast);
    color: #fff;
    border-radius: var(--border-radius-pill);
    height: 44px;
    padding: 0 1.5rem;
}

.btn.primary:hover {
    background-color: #333333;
}

.btn.outline {
    background-color: transparent;
    border: 1px solid var(--color-sub);
    color: var(--color-contrast);
    border-radius: var(--border-radius-sm);
    font-size: 14px;
}

.btn.outline:hover {
    background-color: var(--color-main);
    color: var(--color-contrast);
}

.btn.highlight {
    background-color: var(--color-highlight);
    color: #fff;
}

.btn.highlight:hover {
    opacity: 0.95;
    box-shadow: 0 4px 12px rgba(127, 0, 225, 0.2);
}

.btn-icon {
    background: none;
    border: none;
    color: var(--color-contrast);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-speed);
}

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

/* Inputs */
.input-field {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid var(--color-sub);
    border-radius: var(--border-radius-md);
    font-family: var(--font-primary);
    font-size: 0.95rem;
    background-color: #fff;
    color: var(--color-contrast);
    outline: none;
    transition: all 0.2s;
}

.input-field:focus {
    border-color: var(--color-contrast);
    box-shadow: 0 0 0 3px rgba(1, 1, 1, 0.05);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 500;
    letter-spacing: -0.02em;
    color: var(--color-contrast);
}

h2 {
    font-size: 1.75rem;
}

p {
    color: var(--color-muted);
    font-size: 14px;
}

/* Floating Containers (Card system matching Ref UI) */
.floating-card {
    background-color: var(--color-card-bg);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-sub);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
}

/* Main Layout Grid */
.page-container {
    display: flex;
    width: 100%;
    height: 100%;
}

.page-content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    background-color: var(--color-main);
}

/* Navbar (Ledgerix style) */
.navbar {
    background-color: var(--color-card-bg);
    padding: 0.85rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--color-sub);
}

.header-title {
    font-size: 1.35rem;
    font-weight: 700;
}

/* Search bar inside header */
.search-bar-header {
    background-color: var(--color-main);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0.5rem 1rem;
    border-radius: 100px;
    width: 240px;
    border: 1px solid transparent;
    transition: border-color 0.2s;
}

.search-bar-header:focus-within {
    border-color: var(--color-contrast);
    background-color: #fff;
}

.search-input-header {
    background: none;
    border: none;
    outline: none;
    font-family: var(--font-primary);
    font-size: 0.85rem;
    width: 100%;
    color: var(--color-contrast);
}

/* Header Icons */
.btn-icon-header {
    background: none;
    border: none;
    color: var(--color-contrast);
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s;
}

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

/* Active Users Pill (Image 3 inspired) */
.users-pill-container {
    background-color: var(--color-contrast);
    color: #fff;
    display: inline-flex;
    align-items: center;
    padding: 4px 12px 4px 4px;
    border-radius: 100px;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: default;
}

.avatar-stack {
    display: flex;
    align-items: center;
}

.avatar-circle {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 2px solid var(--color-contrast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: #fff;
    margin-right: -8px;
    transition: transform 0.2s;
}

.avatar-circle:hover {
    transform: translateY(-2px);
    z-index: 10;
}

.avatar-circle:last-child {
    margin-right: 0;
}

.pill-label {
    margin-left: 2px;
}

/* User profile inside header */
.user-profile-header {
    display: flex;
    align-items: center;
    gap: 10px;
    border-left: 1px solid var(--color-sub);
    padding-left: 1rem;
}

.profile-avatar {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background-color: var(--color-contrast);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

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

.profile-name {
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.2;
}

.profile-role {
    font-size: 0.7rem;
    color: #888;
}

/* Sidebar Styling (Premium and retractable) */
.sidebar {
    background-color: #ffffff;
    width: 260px;
    height: calc(100vh - 32px);
    margin: 16px 0 16px 16px;
    border-radius: 24px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    overflow: hidden;
    border: 1px solid var(--color-sub);
}

.sidebar.collapsed {
    width: 80px;
    align-items: center;
    border-radius: 40px;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 1.5rem 0.5rem 1.5rem;
    margin-bottom: 1.5rem;
    transition: all var(--transition-speed);
    width: 100%;
}

.sidebar.collapsed .logo-container {
    flex-direction: column;
    gap: 1.5rem;
    padding: 1.5rem 0 0.5rem 0;
}

.sidebar.collapsed .menu-item span {
    opacity: 0;
    width: 0;
    display: none;
}

.sidebar.collapsed .menu-item {
    justify-content: center;
    padding: 0;
    width: 48px;
    height: 48px;
    border-radius: 50%;
}

nav {
    padding: 0 1rem;
}

.sidebar > div:last-child {
    padding: 0 1rem 1.5rem 1rem;
}

.sidebar.collapsed nav, .sidebar.collapsed > div:last-child {
    padding: 0;
}

.menu-item {
    padding: 0.85rem 1rem;
    border-radius: 12px;
    color: #6e6e73;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: all 0.2s;
    font-weight: 600;
    font-size: 0.95rem;
    white-space: nowrap;
}

.menu-item i {
    width: 22px;
    height: 22px;
    stroke-width: 2px;
}

.menu-item:hover {
    color: var(--color-contrast);
    background-color: rgba(0,0,0,0.04);
}

.menu-item.active {
    background-color: var(--color-contrast);
    color: #fff;
}

.sidebar.collapsed .menu-item.active {
    background-color: #f5f5f5;
    color: var(--color-contrast);
    border: 1px solid var(--color-sub);
}

/* Forms grid item card */
.form-card {
    border: 1px solid var(--color-sub);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    background-color: #fff;
    transition: transform 0.2s, border-color 0.2s;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-placeholder);
}

/* Live Form Loading Border */
.loading-border {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    box-sizing: border-box;
}

.loading-border.active {
    border: 8px solid var(--color-highlight);
}

/* Floating Card Header & Layout matching Ref 1 */
.editor-layout {
    display: flex;
    gap: 1.5rem;
    height: calc(100vh - 120px);
}

.editor-main-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.editor-sidebar {
    width: 340px;
    flex-shrink: 0;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ====== PAGE TRANSITIONS (elimina o "salto" entre rotas) ====== */
#app {
    transition: opacity 0.18s ease, transform 0.18s ease;
}
#app.page-leaving {
    opacity: 0;
    transform: translateY(4px);
}
#app.page-entering {
    animation: pageEnter 0.32s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes pageEnter {
    from { opacity: 0; transform: translateY(10px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Suaviza o hover de cards e itens em geral */
.form-card, .nav-item, .rail-icon, .menu-item {
    transition: all 0.18s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Respeita usuários que preferem menos movimento */
@media (prefers-reduced-motion: reduce) {
    #app, #app.page-entering, .animate-fade-in {
        animation: none !important;
        transition: none !important;
    }
}

/* Modal Overlay styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(1, 1, 1, 0.4);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}