/* =========================================================
   AI Code Assessment — New-age UI
   Glassmorphism · gradient accents · soft motion
   Class names preserved for JS/PHP compatibility.

   IMPORTANT: every rule is scoped under
   `.ai-code-assessment-container` so the plugin's generic
   class names (.button, .email, .metric, .form-field, …)
   cannot leak out and restyle the rest of the page.
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Nunito+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

/* ---------- Tokens ---------- */
.ai-code-assessment-container {
    --aca-bg-1: #0b1020;
    --aca-bg-2: #131a3a;
    --aca-bg-3: #1c1140;
    --aca-surface: rgba(15, 18, 40, 0.04);
    --aca-surface-strong: rgba(15, 18, 40, 0.07);
    --aca-border: rgba(15, 18, 40, 0.12);
    --aca-border-strong: rgba(15, 18, 40, 0.22);
    --aca-text: #1a1f3a;
    --aca-text-dim: #4a5277;
    --aca-text-mute: #7d85a8;
    --aca-accent-1: #7c5cff;   /* violet */
    --aca-accent-2: #22d3ee;   /* cyan  */
    --aca-accent-3: #f472b6;   /* pink  */
    --aca-success: #34d399;
    --aca-danger:  #f87171;
    --aca-shadow: 0 20px 60px rgba(7, 9, 24, 0.45);
    --aca-glow: 0 0 0 1px rgba(124, 92, 255, 0.35), 0 14px 40px rgba(124, 92, 255, 0.25);
    --aca-radius: 18px;
    --aca-radius-sm: 12px;

    font-family: 'Nunito Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    color: var(--aca-text);
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 28px clamp(16px, 3vw, 36px) 48px;
    position: relative;
    background: #ffffff;
    border-radius: 28px;
    box-shadow: var(--aca-shadow);
    overflow: hidden;
    isolation: isolate;
}


/* ---------- Stages ---------- */
.ai-code-assessment-container .assessment-stage {
    margin-top: 24px;
    animation: aca-fade-in .5s ease both;
}
@keyframes aca-fade-in {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.ai-code-assessment-container .assessment-stage h3 {
    font-size: clamp(1.6rem, 2.4vw, 2.2rem);
    margin: 8px 0 18px;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-align: center;
    /* Readable accent gradient on the white container (was near-white). */
    background: linear-gradient(90deg, #5b3fd9 0%, #6d28d9 45%, #0e9aae 100%);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ai-code-assessment-container .coding-question {
    color: var(--aca-text);
    font-weight: 600;
    font-size: 1.05rem;
    margin: 0 0 16px;
    text-align: center;
    line-height: 1.5;
    padding: 14px 18px;
    border-radius: var(--aca-radius-sm);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

/* ---------- Language selector ---------- */
.ai-code-assessment-container .language-selector {
    margin: 14px 0;
    padding: 10px 14px;
    border-radius: var(--aca-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.ai-code-assessment-container .language-selector label {
    font-weight: 600;
    color: var(--aca-text-dim);
    letter-spacing: .01em;
}
.ai-code-assessment-container .language-dropdown,
.ai-code-assessment-container #user-designation {
    padding: 10px 14px;
    border: 1px solid var(--aca-border-strong);
    border-radius: 10px;
    background: rgba(11, 16, 32, 0.7);
    color: #fff;
    font-family: inherit;
    font-size: .95rem;
    transition: border-color .2s ease, box-shadow .2s ease, transform .15s ease;
    cursor: pointer;
}
.ai-code-assessment-container .language-dropdown:hover,
.ai-code-assessment-container #user-designation:hover { border-color: rgba(124, 92, 255, 0.55); }
.ai-code-assessment-container .language-dropdown:focus,
.ai-code-assessment-container #user-designation:focus {
    outline: none;
    border-color: var(--aca-accent-1);
    box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.25);
}

/* ---------- Instructions ---------- */
.ai-code-assessment-container .instructions-panel {
    margin: 0 auto 16px;
    padding: 16px 20px;
    border-radius: var(--aca-radius);
    color: var(--aca-text);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    position: relative;
}
.ai-code-assessment-container .instructions-panel::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--aca-radius);
    padding: 1px;
    background: linear-gradient(135deg, rgba(124,92,255,.6), rgba(34,211,238,.4) 50%, rgba(244,114,182,.4));
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
            mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    opacity: .5;
    pointer-events: none;
}
.ai-code-assessment-container .instructions-panel h4 {
    font-weight: 700;
    font-size: 1rem;
    margin: 0 0 8px;
    /* Was #fff — invisible on the white container. */
    color: var(--aca-text);
    letter-spacing: .02em;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}
.ai-code-assessment-container .instructions-panel h4::before {
    content: "";
    display: inline-block;
    width: 6px; height: 6px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--aca-accent-1), var(--aca-accent-2));
    box-shadow: 0 0 12px rgba(124,92,255,.7);
}
.ai-code-assessment-container .instructions-panel ul {
    list-style: none;
    padding: 0;
    margin: 0;
    color: var(--aca-text-dim);
    font-weight: 500;
    font-size: .95rem;
    line-height: 1.7;
}
.ai-code-assessment-container .instructions-panel ul li {
    position: relative;
    padding-left: 18px;
}
.ai-code-assessment-container .instructions-panel ul li::before {
    content: "›";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--aca-accent-2);
    font-weight: 700;
}
.ai-code-assessment-container .instructions-panel pre {
    background: rgba(11, 16, 32, 0.7);
    border: 1px solid var(--aca-border);
    color: #fff;
    padding: 12px;
    border-radius: 10px;
    font-family: 'JetBrains Mono', Consolas, monospace;
    font-size: .85rem;
    overflow-x: auto;
}

/* ---------- Editor ---------- */
.ai-code-assessment-container .editor-container {
    position: relative;
    width: 100%;
    margin: 0 auto;
    border: 1px solid var(--aca-border-strong);
    border-radius: var(--aca-radius);
    overflow: hidden;
    background: #0b1020;
    box-shadow:
        inset 0 0 0 1px rgba(255,255,255,.04),
        0 18px 50px rgba(0,0,0,0.45);
    padding: 10px;
    transition: box-shadow .3s ease;
}
.ai-code-assessment-container .editor-container:focus-within {
    box-shadow:
        inset 0 0 0 1px rgba(124,92,255,.5),
        0 0 0 3px rgba(124,92,255,.18),
        0 18px 50px rgba(0,0,0,0.45);
}
.ai-code-assessment-container #monaco-editor {
    width: 100%;
    height: 100%;
    border-radius: 12px;
    overflow: hidden;
}
.ai-code-assessment-container .code-status {
    position: absolute;
    bottom: 14px;
    right: 14px;
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    background: rgba(11, 16, 32, 0.85);
    border: 1px solid var(--aca-border);
    padding: 6px 10px;
    border-radius: 999px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    letter-spacing: .02em;
}
.ai-code-assessment-container .code-status span { color: var(--aca-accent-2); font-weight: 700; }

/* ---------- Forms ---------- */
.ai-code-assessment-container .form-field { margin-bottom: 18px; }
.ai-code-assessment-container .form-field label {
    display: block;
    margin-bottom: 8px;
    color: var(--aca-text-dim);
    font-weight: 600;
    font-size: .9rem;
    letter-spacing: .02em;
    text-transform: uppercase;
}
.ai-code-assessment-container .form-field input,
.ai-code-assessment-container #user-designation {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid var(--aca-border-strong);
    border-radius: 12px;
    font-size: 1rem;
    background: rgba(11, 16, 32, 0.7);
    color: #fff;
    font-family: inherit;
    transition: border-color .2s ease, box-shadow .2s ease;
}
.ai-code-assessment-container .form-field input::placeholder { color: var(--aca-text-mute); }
.ai-code-assessment-container .form-field input:focus,
.ai-code-assessment-container #user-designation:focus {
    border-color: var(--aca-accent-1);
    box-shadow: 0 0 0 3px rgba(124, 92, 255, 0.25);
    outline: none;
}
.ai-code-assessment-container #user-designation { height: auto; min-height: 50px; }
.ai-code-assessment-container #user-info-form {
    max-width: 560px;
    margin: 0 auto;
    padding: 28px;
    border-radius: var(--aca-radius);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}

/* ---------- Buttons ---------- */
.ai-code-assessment-container .action-buttons {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 22px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}
.ai-code-assessment-container .button {
    padding: 12px 22px;
    border: 1px solid var(--aca-border-strong);
    border-radius: 12px;
    cursor: pointer;
    font-size: .98rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--aca-text);
    background: var(--aca-surface-strong);
    transition: transform .15s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    letter-spacing: .01em;
}
.ai-code-assessment-container .button:hover {
    transform: translateY(-1px);
    border-color: rgba(124, 92, 255, 0.55);
    background: rgba(124, 92, 255, 0.10);
}
.ai-code-assessment-container .button:active { transform: translateY(0); }
.ai-code-assessment-container .button:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.ai-code-assessment-container .button-primary {
    background: linear-gradient(135deg, var(--aca-accent-1) 0%, #5b8cff 55%, var(--aca-accent-2) 100%);
    color: #fff;
    border-color: transparent;
    width: auto;
    box-shadow: var(--aca-glow);
    position: relative;
    overflow: hidden;
}
.ai-code-assessment-container .button-primary::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,.25) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform .6s ease;
}
.ai-code-assessment-container .button-primary:hover { transform: translateY(-2px); border-color: transparent; }
.ai-code-assessment-container .button-primary:hover::after { transform: translateX(100%); }

/* The form's submit button spans full width; keep that intent */
.ai-code-assessment-container #submit-form { width: 100%; justify-content: center; }

/* ---------- Evaluating ---------- */
.ai-code-assessment-container .evaluating-animation {
    text-align: center;
    padding: 60px 20px;
    border-radius: var(--aca-radius);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    max-width: 560px;
    margin: 0 auto;
}
.ai-code-assessment-container .evaluating-animation p { color: var(--aca-text-dim); }
.ai-code-assessment-container .spinner {
    width: 84px; height: 84px;
    border-radius: 50%;
    margin: 0 auto 24px;
    position: relative;
    background:
        conic-gradient(from 0deg, transparent, var(--aca-accent-1), var(--aca-accent-2), var(--aca-accent-3), transparent);
    animation: spin 1.2s linear infinite;
    -webkit-mask: radial-gradient(circle, transparent 38%, #000 40%);
            mask: radial-gradient(circle, transparent 38%, #000 40%);
    filter: drop-shadow(0 0 14px rgba(124, 92, 255, .6));
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Results ---------- */
.ai-code-assessment-container .results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 960px;
    margin: 0 auto 24px;
    padding: 22px 26px;
    border-radius: var(--aca-radius);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    gap: 20px;
}
.ai-code-assessment-container .user-info h3 {
    margin: 0;
    font-size: 1.5rem;
    /* Was #fff — invisible on the white container. */
    color: var(--aca-text);
    text-align: start;
    background: none;
    -webkit-text-fill-color: var(--aca-text);
}
.ai-code-assessment-container #result-user-name { text-align: start; }
.ai-code-assessment-container .user-info p {
    margin: 4px 0 0;
    color: var(--aca-text-dim);
    font-size: .95rem;
    padding-bottom: 0 !important;
}
.ai-code-assessment-container .email { font-size: .85rem; color: var(--aca-text-mute); }

.ai-code-assessment-container .overall-score {
    width: 112px;
    height: 112px;
    flex-shrink: 0;
    border-radius: 50%;
    background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.25), transparent 50%),
        conic-gradient(var(--aca-accent-1), var(--aca-accent-2), var(--aca-accent-3), var(--aca-accent-1));
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-size: 1.9rem; font-weight: 800; letter-spacing: -.02em;
    box-shadow:
        0 0 0 1px rgba(255,255,255,.15) inset,
        0 18px 40px rgba(124, 92, 255, 0.35);
    position: relative;
}
.ai-code-assessment-container .overall-score::before {
    content: "";
    position: absolute;
    inset: 6px;
    border-radius: 50%;
    background: linear-gradient(135deg, #161b35, #0c1129);
    z-index: 0;
}
/* This text sits on the dark score disc, so it stays light. */
.ai-code-assessment-container .overall-score span,
.ai-code-assessment-container #overall-score-value {
    position: relative;
    z-index: 1;
    background: linear-gradient(90deg, #fff, #c7d2fe);
    -webkit-background-clip: text;
            background-clip: text;
    -webkit-text-fill-color: transparent;
}

.ai-code-assessment-container .metrics-section,
.ai-code-assessment-container .feedback-section {
    max-width: 960px;
    margin: 0 auto 24px;
}
.ai-code-assessment-container .metrics-section h3,
.ai-code-assessment-container .feedback-section h3 {
    text-align: start;
    font-size: 1.15rem;
    margin: 0 0 14px;
    font-weight: 700;
    color: var(--aca-text);
    background: none;
    -webkit-text-fill-color: var(--aca-text);
    text-transform: uppercase;
    letter-spacing: .08em;
}
.ai-code-assessment-container #dynamic-metrics {
    display: grid;
    gap: 14px;
}
.ai-code-assessment-container .metric {
    margin: 0;
    padding: 16px 18px;
    border-radius: var(--aca-radius-sm);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    transition: transform .2s ease, border-color .2s ease;
}
.ai-code-assessment-container .metric:hover {
    transform: translateY(-1px);
    border-color: rgba(124,92,255,.45);
}
.ai-code-assessment-container .metric-header {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: .95rem;
    color: var(--aca-text);
    margin-bottom: 10px;
}
.ai-code-assessment-container .metric-header span:last-child {
    color: #0e9aae;
    font-weight: 700;
}
.ai-code-assessment-container .progress-bar {
    width: 100%; height: 10px;
    /* Was white-on-white (invisible); use a faint dark track. */
    background: rgba(15, 18, 40, .08);
    border-radius: 999px;
    overflow: hidden;
    position: relative;
}
.ai-code-assessment-container .progress-fill {
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--aca-accent-1), var(--aca-accent-2));
    box-shadow: 0 0 14px rgba(34, 211, 238, .5);
    transition: width 1.2s cubic-bezier(.2,.7,.2,1);
    position: relative;
    overflow: hidden;
}
.ai-code-assessment-container .progress-fill::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,.4), transparent);
    transform: translateX(-100%);
    animation: aca-shimmer 2.2s linear infinite;
}
@keyframes aca-shimmer {
    to { transform: translateX(100%); }
}

/* ---------- Feedback ---------- */
.ai-code-assessment-container .feedback-card {
    border-radius: var(--aca-radius);
    padding: 8px 22px;
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
}
.ai-code-assessment-container .feedback-card ul { list-style: none; padding: 0; margin: 0; }
.ai-code-assessment-container .feedback-card li {
    padding: 16px 0;
    /* Was white-on-white (invisible); use a faint dark divider. */
    border-bottom: 1px solid rgba(15, 18, 40, .08);
    display: flex;
    align-items: flex-start;
    font-weight: 500;
    color: var(--aca-text);
    line-height: 1.55;
}
.ai-code-assessment-container .feedback-card li:last-child { border-bottom: none; }
.ai-code-assessment-container .feedback-card li::before {
    content: "";
    flex-shrink: 0;
    width: 8px; height: 8px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--aca-accent-1), var(--aca-accent-2));
    margin: 8px 14px 0 0;
    box-shadow: 0 0 10px rgba(124, 92, 255, .6);
}

/* ---------- Horizontal divider in results ---------- */
.ai-code-assessment-container .assessment-stage#results-stage hr {
    border: none;
    height: 1px;
    /* Was white-on-white (invisible); use a faint dark line. */
    background: linear-gradient(90deg, transparent, rgba(15, 18, 40, .14), transparent);
    margin: 20px auto;
    max-width: 960px;
}

/* ---------- Responsive ---------- */
@media (max-width: 768px) {
    .ai-code-assessment-container { padding: 18px 14px 28px; border-radius: 18px; }
    .ai-code-assessment-container .results-header { flex-direction: column; text-align: center; }
    .ai-code-assessment-container .user-info h3 { text-align: center; }
    .ai-code-assessment-container .overall-score { margin: 0 auto; }
    .ai-code-assessment-container .action-buttons { justify-content: stretch; }
    .ai-code-assessment-container .action-buttons .button { flex: 1 1 auto; text-align: center; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
    .ai-code-assessment-container .progress-fill::after,
    .ai-code-assessment-container .spinner { animation: none !important; }
    .ai-code-assessment-container .assessment-stage { animation: none !important; }
}