/* ============================================================
   Qinect App - Main Stylesheet
   Light mode. Mobile-first. Responsive.
   Brand: Dark #111229 | Purple #6049cd | Aqua #29e1ec | White #fff
   ============================================================ */

/* --- Custom Properties ------------------------------------ */
:root {
    /* Brand */
    --color-dark:       #111229;
    --color-purple:     #6049cd;
    --color-purple-light: #7b66d9;
    --color-purple-pale: #ede9f9;
    --color-aqua:       #29e1ec;
    --color-aqua-pale:  #e5fbfc;
    --color-white:      #ffffff;

    /* Neutrals */
    --color-bg:         #f8f8fb;
    --color-surface:    #ffffff;
    --color-surface-2:  #f2f2f6;
    --color-border:     #e4e4f0;
    --color-border-light: #efeff7;
    --color-text:       #1a1a35;
    --color-text-muted: #6b6b8a;
    --color-text-faint: #a0a0c0;

    /* Semantic */
    --color-success:    #22c55e;
    --color-success-bg: #f0fdf4;
    --color-warning:    #f59e0b;
    --color-warning-bg: #fffbeb;
    --color-danger:     #ef4444;
    --color-danger-bg:  #fef2f2;
    --color-info:       #3b82f6;
    --color-info-bg:    #eff6ff;

    /* Typography */
    --font-sans:     'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs:  0.75rem;   /* 12px */
    --font-size-sm:  0.875rem;  /* 14px */
    --font-size-md:  1rem;      /* 16px */
    --font-size-lg:  1.125rem;  /* 18px */
    --font-size-xl:  1.25rem;   /* 20px */
    --font-size-2xl: 1.5rem;    /* 24px */
    --font-size-3xl: 1.875rem;  /* 30px */

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;

    /* Radii */
    --radius-sm:  6px;
    --radius-md:  12px;
    --radius-lg:  16px;
    --radius-xl:  24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm:  0 1px 3px rgba(17,18,41,0.06), 0 1px 2px rgba(17,18,41,0.04);
    --shadow-md:  0 4px 16px rgba(17,18,41,0.08), 0 2px 6px rgba(17,18,41,0.05);
    --shadow-lg:  0 8px 32px rgba(17,18,41,0.12), 0 4px 12px rgba(17,18,41,0.06);
    --shadow-purple: 0 4px 20px rgba(96,73,205,0.25);

    /* Layout */
    --header-height: 64px;
    --bottom-nav-height: 64px;
    --content-max: 1200px;
    --content-pad: var(--space-4);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* --- Reset ------------------------------------------------ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-md);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-purple); text-decoration: none; }
a:hover { text-decoration: underline; }
button { cursor: pointer; font-family: var(--font-sans); }
ul, ol { list-style: none; }

/* --- App Layout ------------------------------------------- */
.app-body {
    min-height: 100vh;
    padding-top: var(--header-height);
    padding-bottom: var(--bottom-nav-height); /* mobile bottom nav */
}

.app-main {
    max-width: var(--content-max);
    margin: 0 auto;
    padding: var(--space-6) var(--content-pad);
}

/* On larger screens, remove bottom nav padding */
@media (min-width: 768px) {
    .app-body { padding-bottom: 0; }
    .app-main { padding: var(--space-8) var(--space-6); }
}

@media (min-width: 1024px) {
    .app-main { padding: var(--space-10) var(--space-8); }
}

/* --- Header ----------------------------------------------- */
.app-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: var(--header-height);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.header-inner {
    max-width: var(--content-max);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-6);
    padding: 0 var(--content-pad);
}

@media (min-width: 768px) {
    .header-inner { padding: 0 var(--space-6); }
}

.header-logo {
    display: flex;
    align-items: center;
    flex-shrink: 0;
    text-decoration: none;
}
.header-logo img { height: 28px; width: auto; transition: filter var(--transition-fast); }
.header-logo:hover img {
    filter: brightness(0) saturate(100%) invert(76%) sepia(47%) saturate(1000%) hue-rotate(139deg) brightness(97%) contrast(92%);
}

/* Desktop nav */
.header-nav {
    display: none;
    align-items: center;
    gap: var(--space-1);
    flex: 1;
}

@media (min-width: 768px) {
    .header-nav { display: flex; }
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast), background var(--transition-fast);
}
.nav-link i { font-size: 1.1em; }
.nav-link:hover {
    color: var(--color-text);
    background: var(--color-surface-2);
    text-decoration: none;
}
.nav-link.active {
    color: var(--color-purple);
    background: var(--color-purple-pale);
}

/* Header actions */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-left: auto;
}

/* User menu */
.user-menu { position: relative; }

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background: var(--color-surface);
    color: var(--color-text);
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.user-menu-trigger:hover {
    border-color: var(--color-purple);
    box-shadow: 0 0 0 3px var(--color-purple-pale);
}
.user-name-short {
    display: none;
}
@media (min-width: 640px) {
    .user-name-short { display: inline; }
}

.user-menu-dropdown {
    position: absolute;
    right: 0;
    top: calc(100% + var(--space-2));
    min-width: 220px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: 200;
    overflow: hidden;
    display: none;
    animation: dropdown-in var(--transition-fast) ease both;
}
.user-menu-dropdown.open { display: block; }

@keyframes dropdown-in {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.menu-header {
    padding: var(--space-4);
    background: var(--color-surface-2);
}
.menu-user-info { display: flex; flex-direction: column; gap: 2px; }
.menu-user-info strong { font-size: var(--font-size-sm); color: var(--color-text); }
.menu-user-info small { font-size: var(--font-size-xs); color: var(--color-text-muted); }

.menu-divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-1) 0;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-sm);
    color: var(--color-text);
    text-decoration: none;
    transition: background var(--transition-fast);
}
.menu-item:hover { background: var(--color-surface-2); text-decoration: none; }
.menu-item i { font-size: 1rem; color: var(--color-text-muted); }
.menu-item-danger { color: var(--color-danger); }
.menu-item-danger i { color: var(--color-danger); }
.menu-item-danger:hover { background: var(--color-danger-bg); }

/* Mobile nav toggle */
.mobile-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    color: var(--color-text);
    font-size: 1.3rem;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}
.mobile-nav-toggle:hover { background: var(--color-surface-2); }

@media (min-width: 768px) {
    .mobile-nav-toggle { display: none; }
}

/* Mobile nav drawer */
.mobile-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    z-index: 99;
    padding: var(--space-2) 0;
    box-shadow: var(--shadow-md);
    animation: slide-down var(--transition-base) ease both;
}
.mobile-nav[hidden] { display: none; }

@keyframes slide-down {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-6);
    font-size: var(--font-size-md);
    font-weight: 500;
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-fast), background var(--transition-fast);
}
.mobile-nav-link:hover, .mobile-nav-link.active {
    color: var(--color-purple);
    background: var(--color-purple-pale);
    text-decoration: none;
}
.mobile-nav-link i { font-size: 1.25rem; }
.mobile-nav-signout { color: var(--color-danger); }
.mobile-nav-signout:hover { background: var(--color-danger-bg); color: var(--color-danger); }

@media (min-width: 768px) {
    .mobile-nav { display: none !important; }
}

/* Flash container */
.flash-container {
    position: fixed;
    top: calc(var(--header-height) + var(--space-3));
    left: 50%;
    transform: translateX(-50%);
    z-index: 300;
    width: calc(100% - var(--space-8));
    max-width: 480px;
}

/* --- Bottom Navigation (mobile) --------------------------- */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: var(--bottom-nav-height);
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: stretch;
    z-index: 100;
    backdrop-filter: blur(10px);
}
@media (min-width: 768px) {
    .bottom-nav { display: none; }
}

.bottom-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-faint);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.bottom-nav-item i { font-size: 1.4rem; }
.bottom-nav-item.active { color: var(--color-purple); }
.bottom-nav-item:hover { color: var(--color-purple); text-decoration: none; }

/* --- Avatars ---------------------------------------------- */
.avatar {
    border-radius: var(--radius-full);
    object-fit: cover;
    flex-shrink: 0;
}
.avatar-initials {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--color-purple-pale);
    color: var(--color-purple);
    font-weight: 600;
    border-radius: var(--radius-full);
    flex-shrink: 0;
    font-size: var(--font-size-sm);
}

/* --- Alerts ----------------------------------------------- */
.alert {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    box-shadow: var(--shadow-md);
    animation: alert-in var(--transition-base) ease both;
}
@keyframes alert-in {
    from { opacity: 0; transform: translateY(-8px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.alert-success { background: var(--color-success-bg); color: #166534; border: 1px solid #bbf7d0; }
.alert-error   { background: var(--color-danger-bg);  color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: var(--color-warning-bg); color: #92400e; border: 1px solid #fde68a; }
.alert-info    { background: var(--color-info-bg);    color: #1e40af; border: 1px solid #bfdbfe; }

/* --- Cards ------------------------------------------------ */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}
.card:hover { box-shadow: var(--shadow-md); }

.card-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-4);
}
.card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    line-height: 1.3;
}
.card-body {
    padding: var(--space-6);
}
.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--color-border-light);
    background: var(--color-surface-2);
}

/* --- Buttons ---------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: 0.625rem var(--space-5);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    -webkit-user-select: none;
    user-select: none;
}
.btn:focus-visible {
    outline: 2px solid var(--color-purple);
    outline-offset: 2px;
}

.btn-primary {
    background: var(--color-purple);
    color: #fff;
    border-color: var(--color-purple);
    box-shadow: var(--shadow-purple);
}
.btn-primary:hover {
    background: var(--color-purple-light);
    border-color: var(--color-purple-light);
    text-decoration: none;
    color: #fff;
    transform: translateY(-1px);
    box-shadow: 0 6px 24px rgba(96,73,205,0.35);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border-color: var(--color-border);
}
.btn-secondary:hover {
    background: var(--color-surface-2);
    border-color: var(--color-purple);
    color: var(--color-purple);
    text-decoration: none;
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
    border-color: transparent;
}
.btn-ghost:hover {
    background: var(--color-surface-2);
    color: var(--color-text);
    text-decoration: none;
}

.btn-danger {
    background: var(--color-danger);
    color: #fff;
    border-color: var(--color-danger);
}
.btn-danger:hover {
    background: #dc2626;
    text-decoration: none;
    color: #fff;
}

.btn-aqua {
    background: var(--color-aqua);
    color: var(--color-dark);
    border-color: var(--color-aqua);
}
.btn-aqua:hover {
    background: #22ccd6;
    text-decoration: none;
    color: var(--color-dark);
    transform: translateY(-1px);
}

.btn-lg {
    padding: 0.875rem var(--space-8);
    font-size: var(--font-size-md);
    border-radius: var(--radius-lg);
}
.btn-sm {
    padding: 0.375rem var(--space-3);
    font-size: var(--font-size-xs);
    border-radius: var(--radius-sm);
}
.btn-full { width: 100%; }

.btn:disabled, .btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Loading state */
.btn.loading { position: relative; color: transparent; pointer-events: none; }
.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px; height: 16px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: var(--radius-full);
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --- Forms ------------------------------------------------ */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-bottom: var(--space-5);
}
.form-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-text);
}
.form-label .required { color: var(--color-danger); margin-left: 2px; }

.form-control {
    width: 100%;
    padding: 0.625rem var(--space-4);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: var(--font-size-md);
    color: var(--color-text);
    background: var(--color-surface);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    -webkit-appearance: none;
    appearance: none;
}
.form-control:focus {
    outline: none;
    border-color: var(--color-purple);
    box-shadow: 0 0 0 3px var(--color-purple-pale);
}
.form-control::placeholder { color: var(--color-text-faint); }
.form-control.error {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px var(--color-danger-bg);
}

.form-hint {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    line-height: 1.5;
}
.form-error {
    font-size: var(--font-size-xs);
    color: var(--color-danger);
    font-weight: 500;
}

/* Password input wrapper */
.input-group {
    position: relative;
    display: flex;
    align-items: center;
}
.input-group .form-control { padding-right: 3rem; }
.input-group-action {
    position: absolute;
    right: var(--space-3);
    background: none;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    padding: var(--space-1);
    cursor: pointer;
    transition: color var(--transition-fast);
}
.input-group-action:hover { color: var(--color-text); }

/* Checkbox */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
}
.form-check input[type="checkbox"] {
    width: 18px; height: 18px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    accent-color: var(--color-purple);
    cursor: pointer;
    flex-shrink: 0;
}
.form-check-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    cursor: pointer;
    user-select: none;
}

/* Password strength */
.password-strength { margin-top: var(--space-2); }
.strength-bar {
    height: 4px;
    background: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-2);
}
.strength-fill {
    height: 100%;
    border-radius: var(--radius-full);
    transition: width var(--transition-base), background var(--transition-base);
    width: 0;
}
.strength-fill.weak    { background: var(--color-danger);  width: 20%; }
.strength-fill.fair    { background: var(--color-warning); width: 40%; }
.strength-fill.good    { background: var(--color-info);    width: 60%; }
.strength-fill.strong  { background: var(--color-success); width: 80%; }
.strength-fill.great   { background: var(--color-aqua);    width: 100%; }

.strength-rules {
    display: flex;
    flex-direction: column;
    gap: 3px;
}
.strength-rule {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-xs);
    color: var(--color-text-faint);
    transition: color var(--transition-fast);
}
.strength-rule.met { color: var(--color-success); }
.strength-rule i { font-size: 0.9rem; }

/* --- Page header / breadcrumb ----------------------------- */
.page-header {
    margin-bottom: var(--space-8);
}
.page-header-top {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--space-4);
    flex-wrap: wrap;
}
.page-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    line-height: 1.2;
}
@media (min-width: 768px) {
    .page-title { font-size: var(--font-size-3xl); }
}
.page-subtitle {
    font-size: var(--font-size-md);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-purple); }
.breadcrumb-sep { color: var(--color-text-faint); }
.breadcrumb-current { color: var(--color-text); font-weight: 500; }

/* --- Stats grid ------------------------------------------- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
    margin-bottom: var(--space-8);
}
@media (min-width: 768px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

.stat-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.stat-icon {
    width: 44px; height: 44px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}
.stat-icon-purple { background: var(--color-purple-pale); color: var(--color-purple); }
.stat-icon-aqua   { background: var(--color-aqua-pale);   color: #0ea5b0; }
.stat-icon-green  { background: var(--color-success-bg);  color: #15803d; }
.stat-icon-orange { background: var(--color-warning-bg);  color: #c2410c; }

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
    line-height: 1;
}
.stat-label {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* --- Experience cards ------------------------------------- */
.experience-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-4);
}
@media (min-width: 640px) {
    .experience-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
    .experience-grid { grid-template-columns: repeat(3, 1fr); }
}

.experience-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
    color: var(--color-text);
    display: flex;
    flex-direction: column;
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.experience-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
    text-decoration: none;
    color: var(--color-text);
}

.experience-card-image {
    height: 160px;
    background: var(--color-surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}
.experience-card-image img {
    width: 100%; height: 100%; object-fit: cover;
}
.experience-type-badge {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    backdrop-filter: blur(8px);
}

.experience-card-body {
    padding: var(--space-5);
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}
.experience-card-title {
    font-size: var(--font-size-md);
    font-weight: 600;
    line-height: 1.3;
}
.experience-card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.5;
    flex: 1;
}

/* Progress ring */
.progress-ring-wrap {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: auto;
    padding-top: var(--space-3);
    border-top: 1px solid var(--color-border-light);
}
.progress-ring {
    flex-shrink: 0;
}
.progress-ring-label {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}
.progress-ring-label strong {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text);
    font-weight: 600;
}

/* Experience type badge colours */
.badge-tutor      { background: rgba(96,73,205,0.15); color: var(--color-purple); }
.badge-simulation { background: rgba(41,225,236,0.15); color: #0ea5b0; }
.badge-lesson     { background: rgba(34,197,94,0.15);  color: #16a34a; }
.badge-assessment { background: rgba(245,158,11,0.15); color: #b45309; }
.badge-content    { background: rgba(59,130,246,0.15); color: #1d4ed8; }
.badge-coaching   { background: rgba(239,68,68,0.15);  color: #b91c1c; }

/* --- Badges ----------------------------------------------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 2px var(--space-2);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    line-height: 1.4;
    white-space: nowrap;
}
.badge-success { background: var(--color-success-bg); color: #166534; }
.badge-warning { background: var(--color-warning-bg); color: #92400e; }
.badge-danger  { background: var(--color-danger-bg);  color: #991b1b; }
.badge-info    { background: var(--color-info-bg);    color: #1e40af; }
.badge-muted   { background: var(--color-surface-2);  color: var(--color-text-muted); }
.badge-purple  { background: var(--color-purple-pale); color: var(--color-purple); }
.badge-aqua    { background: var(--color-aqua-pale);   color: #0c7780; }

/* --- Utility ---------------------------------------------- */
.text-muted    { color: var(--color-text-muted); }
.text-faint    { color: var(--color-text-faint); }
.text-sm       { font-size: var(--font-size-sm); }
.text-xs       { font-size: var(--font-size-xs); }
.text-center   { text-align: center; }
.font-semibold { font-weight: 600; }
.font-bold     { font-weight: 700; }

.mt-2  { margin-top: var(--space-2); }
.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mb-2  { margin-bottom: var(--space-2); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }

.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }

.divider {
    height: 1px;
    background: var(--color-border);
    margin: var(--space-6) 0;
}

/* --- Skeleton loaders ------------------------------------- */
.skeleton {
    background: linear-gradient(90deg, var(--color-surface-2) 25%, var(--color-border) 50%, var(--color-surface-2) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: var(--radius-sm);
}
@keyframes skeleton-shimmer {
    0%   { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* --- Empty state ------------------------------------------ */
.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-8);
    color: var(--color-text-muted);
}
.empty-state-icon {
    font-size: 3rem;
    color: var(--color-text-faint);
    margin-bottom: var(--space-4);
}
.empty-state h3 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-2);
}
.empty-state p {
    font-size: var(--font-size-sm);
    max-width: 320px;
    margin: 0 auto var(--space-6);
}

/* --- Accessibility ---------------------------------------- */
.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;
}
:focus-visible {
    outline: 2px solid var(--color-purple);
    outline-offset: 2px;
}

/* --- Animations ------------------------------------------- */
.fade-in {
    animation: fade-in var(--transition-base) ease both;
}
@keyframes fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.slide-up {
    animation: slide-up var(--transition-slow) ease both;
}
@keyframes slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}