/* ifinmail Layout — ifinsta-aligned compact enterprise shell
   Sidebar: 240px white, fixed, border-right only.
   Header: 52px white, border-bottom only.
   Content: fluid, 20px gutter. No box-shadows anywhere. */

/* ════════════════════════════════════════════════════════════
   Reset & base
   ════════════════════════════════════════════════════════════ */
*,
*::before,
*::after {
    box-sizing: border-box;
}

/* 16px root: --ifinmail-* rem tokens resolve to their documented px sizes (body 13px, caption 12px). */
html {
    font-size: 100%;
}

.ifinmail-body {
    display: flex;
    min-height: 100vh;
    width: 100%;
    font-family: var(--ifinmail-font-ui);
    font-size: var(--ifinmail-font-size-body);
    color: var(--ifinmail-on-surface);
    background: var(--ifinmail-color-surface-1);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ════════════════════════════════════════════════════════════
   App Shell: sidebar (fixed) + main column
   ════════════════════════════════════════════════════════════ */
.ifinmail-app-layout {
    display: flex;
    min-height: 100vh;
    width: 100%;
}

.ifinmail-app-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 100vh;
    background: var(--ifinmail-color-surface-1);
    transition: margin-left 150ms var(--ifinmail-easing-standard);
}

/* ════════════════════════════════════════════════════════════
   Sidebar — ifinsta white pattern
   ════════════════════════════════════════════════════════════ */
.ifinmail-admin-nav {
    left: 0;
    height: 100vh;
    height: 100dvh;
    z-index: 400;
    overflow: hidden;
    font-family: var(--ifinmail-font-ui);
}

/* Brand header area */
.ifinmail-admin-brand {
    flex-shrink: 0;
    /* No bottom border — nav list starts immediately below */
}

.ifinmail-admin-brand-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    padding: 10px var(--ifinmail-space-4);
    min-height: var(--ifinmail-header-height);
    /* Matches main header height */
    border-bottom: 1px solid var(--ifinmail-color-border-light);
}

.ifinmail-admin-brand-mark {
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--ifinmail-radius-md);
    background: var(--ifinmail-color-primary-tint);
    flex-shrink: 0;
    text-decoration: none;
    transition: background var(--ifinmail-transition-fast);
}

.ifinmail-admin-brand-mark:hover {
    background: var(--ifinmail-color-primary-tint);
}

.ifinmail-admin-brand-mark .ifinmail-icon {
    width: 18px;
    height: 18px;
    stroke: var(--ifinmail-color-primary);
    fill: none;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.ifinmail-admin-brand-icon {
    object-fit: contain;
}

/* Nav list */
.ifinmail-admin-nav-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    scrollbar-width: thin;
    scrollbar-color: transparent transparent;
    transition: scrollbar-color 200ms ease;
}

.ifinmail-admin-nav-list:hover {
    scrollbar-color: var(--ifinmail-color-border-light) transparent;
}

.ifinmail-admin-nav-list::-webkit-scrollbar {
    width: 4px;
}

.ifinmail-admin-nav-list::-webkit-scrollbar-track {
    background: transparent;
}

.ifinmail-admin-nav-list::-webkit-scrollbar-thumb {
    background: transparent;
    border-radius: 10px;
    transition: background-color 200ms ease;
}

.ifinmail-admin-nav-list:hover::-webkit-scrollbar-thumb {
    background: var(--ifinmail-color-border-light);
}

.ifinmail-admin-nav-list::-webkit-scrollbar-thumb:hover {
    background: var(--ifinmail-color-text-muted);
}

/* Nav items — floating capsule design */
.ifinmail-admin-nav-item {
    margin: 0 var(--ifinmail-space-1);
    /* Capsule shape — §23 use token not magic number */
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
    cursor: pointer;
}

.ifinmail-admin-nav-item .ifinmail-icon {
    stroke: currentColor;
    fill: none;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0.72;
    transition: opacity var(--ifinmail-transition-fast);
}

.ifinmail-admin-nav-item:hover .ifinmail-icon {
    opacity: 1;
}

/* Active state — floating highlighted capsule with zero left borders */

.ifinmail-admin-nav-item--active .ifinmail-icon {
    opacity: 1;
    stroke: var(--ifinmail-sidebar-active-color);
}

/* Section label — tight, elegant section headers */
.ifinmail-admin-nav-section {
    /* 11px — §4 Overline spec */
    opacity: 0.75;
    margin-top: var(--ifinmail-space-1);
}

/* Sidebar footer */
.ifinmail-admin-nav-footer {
    flex-shrink: 0;
}

.ifinmail-server-status span {
    display: inline-block;
    flex-shrink: 0;
}

.ifinmail-admin-footer-action {
    transition: background var(--ifinmail-transition-fast),
        color var(--ifinmail-transition-fast);
}

.ifinmail-admin-footer-action .ifinmail-icon {
    width: 14px;
    height: 14px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.ifinmail-admin-footer-action:hover {
    color: var(--ifinmail-color-text-primary);
}

/* ════════════════════════════════════════════════════════════
   Header — 52px, white, border-bottom
   ════════════════════════════════════════════════════════════ */
.ifinmail-header {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.ifinmail-header-brand {
    display: flex;
    align-items: center;
    gap: var(--ifinmail-space-2);
}

.ifinmail-logo {
    font-size: var(--ifinmail-font-size-body-large);
    font-weight: var(--ifinmail-font-weight-semibold);
    color: var(--ifinmail-on-surface);
    letter-spacing: -0.01em;
    text-decoration: none;
}

.ifinmail-logo:hover {
    color: var(--ifinmail-secondary);
    text-decoration: none;
}

.ifinmail-logo-img {
    vertical-align: middle;
    margin-right: var(--ifinmail-space-1);
    border-radius: var(--ifinmail-radius);
}

/* Global search */
.ifinmail-global-search {
    transition: border-color var(--ifinmail-transition-fast),
        background var(--ifinmail-transition-fast);
}

.ifinmail-global-search:focus-within {
    border-color: var(--ifinmail-color-primary);
    background: var(--ifinmail-surface-container-lowest);
}

.ifinmail-global-search .ifinmail-icon {
    width: 14px;
    height: 14px;
    stroke: var(--ifinmail-color-text-muted);
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    flex-shrink: 0;
}

.ifinmail-global-search input {
    flex: 1;
    min-width: 0;
    font-family: var(--ifinmail-font-ui);
}

.ifinmail-global-search input::placeholder {
    color: var(--ifinmail-color-text-muted);
}

.ifinmail-header-nav {
    display: flex;
    align-items: center;
    gap: var(--ifinmail-space-1);
}

.ifinmail-nav-link {
    padding: var(--ifinmail-space-1) var(--ifinmail-space-3);
    font-size: var(--ifinmail-font-size-body);
    font-weight: var(--ifinmail-font-weight-medium);
    color: var(--ifinmail-on-surface-variant);
    border-radius: var(--ifinmail-radius);
    transition: background var(--ifinmail-transition-fast), color var(--ifinmail-transition-fast);
    text-decoration: none;
}

.ifinmail-nav-link:hover {
    color: var(--ifinmail-on-surface);
    background: var(--ifinmail-surface-container);
    text-decoration: none;
}

.ifinmail-header-user {
    display: flex;
    align-items: center;
    gap: var(--ifinmail-space-3);
}

.ifinmail-user-email {
    font-size: var(--ifinmail-font-size-xs);
    color: var(--ifinmail-on-surface-variant);
}

/* Icon button — 30px square */
.ifinmail-icon-button {
    text-decoration: none;
    transition: background var(--ifinmail-transition-fast),
        color var(--ifinmail-transition-fast);
    flex-shrink: 0;
}

.ifinmail-icon-button:hover {
    color: var(--ifinmail-color-text-primary);
}

.ifinmail-icon-button .ifinmail-icon {
    width: 16px;
    height: 16px;
    stroke: currentColor;
    fill: none;
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Avatar */
.ifinmail-avatar {
    flex-shrink: 0;
    letter-spacing: 0.02em;
}

.ifinmail-header-profile,
.ifinmail-avatar-button {
    padding: var(--ifinmail-space-1) var(--ifinmail-space-2);
    border-radius: var(--ifinmail-radius-md);
    color: var(--ifinmail-color-text-primary);
    text-decoration: none;
    transition: background var(--ifinmail-transition-fast);
    cursor: pointer;
}

.ifinmail-header-profile:hover,
.ifinmail-avatar-button:hover {
    background: var(--ifinmail-color-surface-2);
    text-decoration: none;
}

.ifinmail-header-profile strong {
    font-size: var(--ifinmail-font-size-body);
    font-weight: var(--ifinmail-font-weight-semibold);
    line-height: 1.2;
}

.ifinmail-header-profile small {
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

/* Hamburger (mobile) */
.ifinmail-hamburger {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--ifinmail-space-1_5);
    color: var(--ifinmail-on-surface);
    border-radius: var(--ifinmail-radius);
}

.ifinmail-hamburger svg {
    display: block;
    width: 20px;
    height: 20px;
    stroke: currentColor;
    fill: none;
    stroke-width: 2;
    stroke-linecap: round;
}

/* Screen-reader only */
.ifinmail-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ════════════════════════════════════════════════════════════
   Main + footer
   ════════════════════════════════════════════════════════════ */
.ifinmail-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    background: var(--ifinmail-color-surface-1);
}

.ifinmail-footer {
    align-items: center;
    justify-content: center;
    height: var(--ifinmail-footer-height);
    padding: 0 var(--ifinmail-gutter);
    background: var(--ifinmail-surface-container-lowest);
    border-top: 1px solid var(--ifinmail-color-border);
    font-size: var(--ifinmail-font-size-caption);
    color: var(--ifinmail-color-text-muted);
    flex-shrink: 0;
}

/* ════════════════════════════════════════════════════════════
   Admin Two-Panel Layout
   ════════════════════════════════════════════════════════════ */
.ifinmail-admin-layout {
    display: flex;
    flex: 1;
    min-height: 0;
}

.ifinmail-admin-content {
    flex: 1;
    overflow-y: auto;
}

.ifinmail-admin-page {
    margin: 0 auto;
    width: 100%;
}

/* Centered page layout */
.ifinmail-page {
    max-width: var(--ifinmail-container-max-width);
    margin: 0 auto;
    padding: var(--ifinmail-gutter);
}

/* Standalone layout (login, error, setup) */
.ifinmail-standalone-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    /* body is a flex row: without this the layout shrinks to its content and sits at the left */
    flex: 1 1 auto;
    width: 100%;
    min-width: 0;
}

.ifinmail-standalone-layout .ifinmail-main {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ════════════════════════════════════════════════════════════
   Page header
   ════════════════════════════════════════════════════════════ */

.ifinmail-page-actions {
    flex-shrink: 0;
}

/* ════════════════════════════════════════════════════════════
   Responsive
   ════════════════════════════════════════════════════════════ */
@media (max-width: 767px) {
    .ifinmail-app-main {
        margin-left: 0;
    }

    .ifinmail-hamburger {
        display: flex;
        align-items: center;
    }

    .ifinmail-admin-nav.ifinmail-admin-nav--open {
        box-shadow: var(--ifinmail-shadow-3);
    }

    .ifinmail-page {
        padding: var(--ifinmail-margin-mobile);
    }

    .ifinmail-footer {
        padding: 0 var(--ifinmail-margin-mobile);
    }

}

/* ════════════════════════════════════════════════════════════
   Sleek Vanilla Dropdown System
   ════════════════════════════════════════════════════════════ */
.ifinmail-dropdown-wrapper {
    position: relative;
    display: inline-block;
}

.ifinmail-dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    width: 210px;
    background: var(--ifinmail-surface-container-lowest);
    padding: var(--ifinmail-space-1_5) 0;
    display: none;
    flex-direction: column;
    z-index: 600;
    /* Sophisticated micro brand shadow */
    animation: ifinmail-dropdown-slide-fade 120ms cubic-bezier(0.16, 1, 0.3, 1);
}

.ifinmail-dropdown-menu--active {
    display: flex;
}

@keyframes ifinmail-dropdown-slide-fade {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* §8 / §20 — respect user's reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
    .ifinmail-dropdown-menu {
        animation: none;
    }
}

.ifinmail-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--ifinmail-space-2_5);
    padding: var(--ifinmail-space-2) var(--ifinmail-space-4);
    color: var(--ifinmail-color-text-secondary);
    font-size: var(--ifinmail-font-size-body);
    font-weight: var(--ifinmail-font-weight-medium);
    text-decoration: none;
    cursor: pointer;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    transition: background 150ms, color 150ms;
}

.ifinmail-dropdown-item:hover {
    background: var(--ifinmail-color-surface-2);
    color: var(--ifinmail-color-text-primary);
    text-decoration: none;
}

.ifinmail-dropdown-item--danger {
    color: var(--ifinmail-color-danger);
}

.ifinmail-dropdown-item--danger:hover {
    background: var(--ifinmail-color-danger-tint);
    color: var(--ifinmail-color-danger);
}

.ifinmail-dropdown-divider {
    height: 1px;
    background: var(--ifinmail-color-border-light);
    margin: var(--ifinmail-space-1_5) 0;
}

/* ════════════════════════════════════════════════════════════
   Premium Modal Dialog System
   ════════════════════════════════════════════════════════════ */
.ifinmail-modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: var(--ifinmail-overlay-scrim);
    /* Elegant brand navy blur overlay */
    backdrop-filter: blur(5px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: ifinmail-modal-fade-in 150ms ease-out;
}

.ifinmail-modal-overlay--active {
    display: flex;
}

.ifinmail-modal {
    width: 90%;
    max-width: 480px;
    background: var(--ifinmail-surface-container-lowest);
    border: 1px solid var(--ifinmail-color-border);
    animation: ifinmail-modal-slide-in 200ms cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

@keyframes ifinmail-modal-fade-in {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes ifinmail-modal-slide-in {
    from {
        opacity: 0;
        transform: translateY(16px) scale(0.98);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* §8 / §20 — respect user's reduced-motion preference */
@media (prefers-reduced-motion: reduce) {
    .ifinmail-modal-overlay {
        animation: none;
    }

    .ifinmail-modal {
        animation: none;
    }
}

.ifinmail-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--ifinmail-space-4) var(--ifinmail-space-5);
    border-bottom: 1px solid var(--ifinmail-color-border-light);
}

.ifinmail-modal-title {
    font-size: var(--ifinmail-font-size-h2);
    font-weight: var(--ifinmail-font-weight-bold);
    color: var(--ifinmail-color-text-primary);
    margin: 0;
}

.ifinmail-modal-close {
    background: transparent;
    border: none;
    color: var(--ifinmail-color-text-muted);
    cursor: pointer;
    padding: var(--ifinmail-space-1);
    border-radius: var(--ifinmail-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 150ms, color 150ms;
}

.ifinmail-modal-close:hover {
    background: var(--ifinmail-color-surface-2);
    color: var(--ifinmail-color-text-primary);
}

.ifinmail-modal-body {
    padding: var(--ifinmail-space-5);
    max-height: 65vh;
    overflow-y: auto;
    font-size: var(--ifinmail-font-size-body);
    line-height: 1.5;
    color: var(--ifinmail-color-text-secondary);
}

.ifinmail-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--ifinmail-space-3);
    padding: var(--ifinmail-space-4) var(--ifinmail-space-5);
    border-top: 1px solid var(--ifinmail-color-border-light);
    background: var(--ifinmail-surface-container-lowest);
    /* §14.1 — modal is a white surface; footer should not use a grey tint */
}

.ifinmail-profile-chevron {
    transition: transform 150ms ease;
    margin-left: var(--ifinmail-space-1);
}

.ifinmail-dropdown-wrapper--open .ifinmail-profile-chevron {
    transform: rotate(180deg);
}