/**
 * fileEC App Shell — Unified design system for authenticated pages
 * Single source of truth for: dashboard, files, requests, signatures, templates, teams, billing, settings, workspaces
 * Do NOT override member-layout, member-sidebar, member-content, or member-page .container in page-specific CSS.
 */

/* ========== Design Tokens ========== */
:root {
    /* App shell layout */
    --app-sidebar-width: 220px;
    --app-sidebar-gap: 1.5rem;
    --app-page-padding-y: 1.75rem;
    --app-page-padding-x: 1.5rem;
    --app-content-max: 1400px;
    
    /* Typography */
    --app-title-size: 1.5rem;
    --app-title-weight: 600;
    --app-subtitle-size: 0.9rem;
    --app-card-title-size: 1.125rem;
    --app-body-size: 0.9375rem;
    --app-muted-size: 0.875rem;
    
    /* Cards */
    --app-card-radius: 12px;
    --app-card-padding: 1.5rem;
    --app-card-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    --app-card-border: 1px solid var(--color-border);
    
    /* Buttons */
    --app-btn-radius: 8px;
    --app-btn-height: 38px;
    --app-btn-padding-x: 16px;
    --app-btn-font: 14px;
    --app-btn-large-height: 44px;
    --app-btn-large-padding-x: 18px;
    --app-btn-small-height: 32px;
    --app-btn-small-padding-x: 12px;
    --app-btn-small-font: 13px;
    --app-btn-icon-gap: 6px;
    
    /* Section spacing */
    --app-section-gap: 1.5rem;
    --app-block-margin: 1.25rem;
}

/* ========== Body & App Shell ========== */
body.app-shell-page {
    background: var(--color-gray);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

body.app-shell-page .member-page {
    flex: 1;
}

/* ========== Layout (canonical — do not override in pages) ========== */
body.app-shell-page .member-page {
    padding: var(--app-page-padding-y) 0;
    background: var(--color-gray);
}

body.app-shell-page .member-page .container {
    width: 100%;
    max-width: var(--app-content-max);
    margin: 0 auto;
    padding: 0 var(--app-page-padding-x);
    box-sizing: border-box;
}

body.app-shell-page .member-layout {
    display: flex;
    gap: var(--app-sidebar-gap);
    align-items: start;
}

body.app-shell-page .member-sidebar {
    flex: 0 0 var(--app-sidebar-width);
    width: var(--app-sidebar-width);
    min-width: var(--app-sidebar-width);
    background: var(--color-white);
    border-radius: var(--app-card-radius);
    padding: 1rem 0;
    box-shadow: var(--app-card-shadow);
    border: var(--app-card-border);
    position: sticky;
    /* Match member-page top padding so sidebar doesn't jump when transitioning to sticky */
    top: calc(82px + var(--app-page-padding-y));
}

body.app-shell-page .member-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

body.app-shell-page .member-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.625rem 1rem;
    color: var(--color-text);
    text-decoration: none;
    font-size: var(--app-body-size);
    border-radius: 6px;
    border-left: 3px solid transparent;
    margin: 0 0.5rem;
    transition: background 0.2s, color 0.2s, border-color 0.2s;
}

body.app-shell-page .member-nav-item i {
    width: 20px;
    text-align: center;
    color: var(--color-text-light);
    flex-shrink: 0;
}

body.app-shell-page .member-nav-item:hover {
    background: var(--color-gray);
    color: var(--color-primary);
}

body.app-shell-page .member-nav-item:hover i {
    color: var(--color-primary);
}

body.app-shell-page .member-nav-item.active {
    background: rgba(0, 189, 255, 0.1);
    color: var(--color-primary);
    border-left-color: var(--color-primary);
    font-weight: 600;
}

body.app-shell-page .member-nav-item.active i {
    color: var(--color-primary);
}

body.app-shell-page .member-content {
    flex: 1 1 auto;
    min-width: 0;
    width: 100%;
}

/* ========== Page Title ========== */
.member-page-title,
.app-page-title {
    font-size: var(--app-title-size);
    font-weight: var(--app-title-weight);
    color: var(--color-dark);
    margin: 0 0 0.5rem 0;
}

.app-page-subtitle {
    font-size: var(--app-subtitle-size);
    color: var(--color-text-light);
    margin: 0 0 var(--app-section-gap) 0;
    line-height: 1.5;
}

/* ========== Cards ========== */
.app-card,
.member-card {
    background: var(--color-white);
    border-radius: var(--app-card-radius);
    padding: var(--app-card-padding);
    box-shadow: var(--app-card-shadow);
    border: var(--app-card-border);
    margin-bottom: var(--app-section-gap);
}

.app-card-title,
.member-card-title {
    font-size: var(--app-card-title-size);
    font-weight: 600;
    color: var(--color-dark);
    margin: 0 0 1rem 0;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

/* ========== Form Row Grid (inputs + button alignment) ========== */
.app-shell-page .member-page .form-row-grid {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 16px;
    align-items: end;
}
@media (max-width: 640px) {
    .app-shell-page .member-page .form-row-grid {
        grid-template-columns: 1fr;
    }
    .app-shell-page .member-page .form-row-grid .form-group {
        margin-bottom: 0;
    }
}

/* Input/select height: 38px (match button) */
.app-shell-page .member-page .form-group input,
.app-shell-page .member-page .form-group select,
.app-shell-page .member-page .form-row input,
.app-shell-page .member-page .form-row select {
    height: 38px;
    padding: 0 12px;
    box-sizing: border-box;
    font-size: 14px;
}

/* ========== Button Sizes (authenticated pages only) ========== */
/* Icon alignment: all buttons with icons */
.app-shell-page .member-page .upload-btn,
.app-shell-page .member-page .btn-outline,
.app-shell-page .member-page .save-btn,
.app-shell-page .member-page .btn-primary,
.app-shell-page .member-page .billing-btn-cancel {
    display: inline-flex;
    align-items: center;
    gap: var(--app-btn-icon-gap);
    box-sizing: border-box;
    line-height: 1;
}
.app-shell-page .member-page .upload-btn i,
.app-shell-page .member-page .btn-outline i,
.app-shell-page .member-page .save-btn i,
.app-shell-page .member-page .btn-primary i {
    flex-shrink: 0;
}

/* Default size (38px) - Save, Submit, Cancel, standard actions */
.app-shell-page .member-page .upload-btn,
.app-shell-page .member-page .save-btn,
.app-shell-page .member-page .btn-primary,
.app-shell-page .member-page .billing-btn-cancel {
    height: var(--app-btn-height);
    padding: 0 var(--app-btn-padding-x);
    font-size: var(--app-btn-font);
    margin-top: 0;
}

/* Large CTA (44px) - Create Template, Create Workspace, Upload Document */
.app-shell-page .member-page .btn-large-cta {
    height: var(--app-btn-large-height);
    padding: 0 var(--app-btn-large-padding-x);
    font-size: var(--app-btn-font);
}

/* Small (32px) - Card-level View, New, Edit */
.app-shell-page .member-page .btn-small {
    height: var(--app-btn-small-height);
    padding: 0 var(--app-btn-small-padding-x);
    font-size: var(--app-btn-small-font);
}

/* Card-level actions: category cards, empty states, table row actions */
.app-shell-page .member-page .category-card-actions .upload-btn,
.app-shell-page .member-page .category-card-actions .btn-outline,
.app-shell-page .member-page .row-actions .upload-btn,
.app-shell-page .member-page .row-actions button {
    height: var(--app-btn-small-height);
    padding: 0 var(--app-btn-small-padding-x);
    font-size: var(--app-btn-small-font);
}

/* Page header row: primary CTA gets large */
.app-shell-page .member-page .page-header-row .btn-large-cta {
    height: var(--app-btn-large-height);
    padding: 0 var(--app-btn-large-padding-x);
}

/* Files page: Upload and New folder are page-level CTAs (large) */
.app-shell-page .member-page .files-header-actions .upload-btn,
.app-shell-page .member-page .files-header-actions .upload-btn-standalone {
    height: var(--app-btn-large-height);
    padding: 0 var(--app-btn-large-padding-x);
    font-size: var(--app-btn-font);
}
.app-shell-page .member-page .files-header-actions .upload-btn-dropdown {
    height: var(--app-btn-large-height);
    width: auto;
    padding: 0 12px;
}

/* ========== Footer ========== */
.app-shell-footer.main-footer {
    background: #1a365d;
    color: var(--color-white);
    padding: 1.25rem 0;
    margin-top: auto;
}

.app-shell-footer .container {
    max-width: var(--app-content-max);
    margin: 0 auto;
    padding: 0 var(--app-page-padding-x);
}

.app-shell-footer .footer-social {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    padding: 0;
}

.app-shell-footer .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex: 1;
    min-width: 0;
    width: 100%;
}

.app-shell-footer .footer-bottom__meta {
    flex: 1;
    min-width: 0;
    text-align: left;
}

.app-shell-footer .footer-bottom__meta .footer-copyright {
    margin: 0;
}

.app-shell-footer .footer-bottom__right {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-shrink: 0;
    padding-left: 1.25rem;
    border-left: 1px solid rgba(255, 255, 255, 0.25);
}

.app-shell-footer .footer-bottom__language {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.app-shell-footer .footer-bottom__language-label {
    font-size: var(--app-muted-size, 0.875rem);
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
    white-space: nowrap;
    line-height: 1.5;
}

.app-shell-footer .footer-bottom__language-select {
    padding: 0.4rem 0.6rem;
    font-size: var(--app-muted-size, 0.875rem);
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    cursor: pointer;
    min-height: 2rem;
    line-height: 1.4;
}

.app-shell-footer .footer-bottom__language-select:hover,
.app-shell-footer .footer-bottom__language-select:focus {
    background: rgba(255, 255, 255, 0.22);
    border-color: rgba(255, 255, 255, 0.45);
    outline: none;
}

.app-shell-footer .footer-bottom__language-select option {
    background: #1a365d;
    color: #fff;
}

.app-shell-footer .footer-bottom__help {
    font-size: var(--app-muted-size);
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    flex-shrink: 0;
}

.app-shell-footer .footer-bottom__help:hover {
    color: #fff;
}

.app-shell-footer .footer-copyright {
    margin: 0;
    font-size: var(--app-muted-size);
    color: rgba(255, 255, 255, 0.85);
}

.app-shell-footer .footer-copyright a {
    color: #fff;
    text-decoration: none;
}

.app-shell-footer .footer-copyright a:hover {
    text-decoration: underline;
}

.app-shell-footer a[href="contact.html"] {
    font-size: var(--app-muted-size);
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
}

.app-shell-footer a[href="contact.html"]:hover {
    color: #fff;
}

/* ========== Responsive (canonical) ========== */
@media (max-width: 960px) {
    body.app-shell-page .member-layout {
        flex-direction: column;
    }
    
    body.app-shell-page .member-sidebar {
        position: static;
        flex: none;
        width: 100%;
        min-width: 100%;
    }
    
    body.app-shell-page .member-nav {
        flex-direction: row;
        overflow-x: auto;
        padding: 0 0.5rem;
        gap: 0;
        -webkit-overflow-scrolling: touch;
    }
    
    body.app-shell-page .member-nav-item {
        white-space: nowrap;
        border-left: none;
        border-bottom: 3px solid transparent;
        margin: 0;
        padding: 0.75rem 1rem;
    }
    
    body.app-shell-page .member-nav-item.active {
        border-left: none;
        border-bottom-color: var(--color-primary);
    }
}

@media (max-width: 768px) {
    body.app-shell-page .member-page {
        padding: 1.25rem 0;
    }
    
    body.app-shell-page .member-page .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    body.app-shell-page .member-sidebar {
        top: 0;
    }
    
    .app-shell-footer .footer-bottom {
        flex-direction: column;
        justify-content: center;
        gap: 1rem;
        text-align: center;
        width: 100%;
    }
    
    .app-shell-footer .footer-bottom__meta {
        width: 100%;
        text-align: center;
    }

    .app-shell-footer .footer-bottom__right {
        flex-direction: column;
        padding-left: 0;
        border-left: none;
        gap: 0.75rem;
    }
    
    .app-shell-footer .footer-bottom__language {
        justify-content: center;
    }
}

@media (max-width: 420px) {
    body.app-shell-page .member-page .container {
        padding-left: 0.75rem;
        padding-right: 0.75rem;
    }
}

/* Account dropdown: signed-in user summary (filled by auth.js updateMemberButton) */
.main-header .member-nav-dropdown-userinfo {
    padding: 0.65rem 1rem 0.55rem;
    border-bottom: 1px solid var(--color-border, #e5e7eb);
}
.main-header .member-nav-dropdown-userinfo-name {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-dark, #0f172a);
    line-height: 1.35;
}
.main-header .member-nav-dropdown-userinfo-email {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-light, #64748b);
    margin-top: 0.2rem;
    word-break: break-word;
}