/* ============================================================
   Essay Marker — Frontend CSS
============================================================ */
:root {
    --em-green:   #0a4d2f;
    --em-gold:    #c8a84b;
    --em-blue:    #2563eb;
    --em-red:     #dc2626;
    --em-orange:  #ea580c;
    --em-text:    #1a1a2e;
    --em-muted:   #6b7280;
    --em-border:  #e2e8f0;
    --em-bg:      #f8fafb;
    --em-white:   #ffffff;
    --em-radius:  10px;
    --em-shadow:  0 4px 20px rgba(0,0,0,.08);
    --em-t:       all .2s ease;
}

.em-wrap { font-family: 'DM Sans', -apple-system, sans-serif; max-width: 960px; margin: 0 auto; padding: 20px 0; }
.em-h2 { font-size: 26px; margin: 0 0 20px; color: var(--em-text); }

/* ---- Notices ---- */
.em-notice { padding: 14px 18px; border-radius: var(--em-radius); margin-bottom: 20px; font-size: 15px; }
.em-notice a { font-weight: 600; }
.em-notice-warn { background: #fef9c3; border: 1px solid #fbbf24; color: #78350f; }
.em-notice-info { background: #eff6ff; border: 1px solid #93c5fd; color: #1e3a8a; }
.em-notice-success { background: #dcfce7; border: 1px solid #86efac; color: #14532d; }
.em-notice-error { background: #fee2e2; border: 1px solid #fca5a5; color: #7f1d1d; }

/* ---- Assignment selector ---- */
.em-assignment-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 20px; }
.em-asgn-card { background: var(--em-white); border: 2px solid var(--em-border); border-radius: var(--em-radius); padding: 22px; transition: var(--em-t); cursor: pointer; }
.em-asgn-card:hover { border-color: var(--em-green); box-shadow: var(--em-shadow); }
.em-asgn-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; margin-bottom: 10px; }
.em-asgn-card-head h3 { font-size: 17px; margin: 0; }
.em-due { font-size: 12px; background: #fef9c3; color: #78350f; padding: 3px 9px; border-radius: 20px; white-space: nowrap; }
.em-asgn-meta { display: flex; gap: 14px; font-size: 13px; color: var(--em-muted); margin: 12px 0; }

/* ---- Submit form ---- */
.em-assignment-brief { background: var(--em-bg); border: 1px solid var(--em-border); border-radius: var(--em-radius); padding: 20px; margin-bottom: 24px; }
.em-assignment-meta { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 10px; font-size: 14px; color: var(--em-muted); }
.em-assignment-desc { font-size: 15px; color: #444; margin-top: 8px; line-height: 1.6; }
.em-form .em-field { margin-bottom: 20px; }
.em-form label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--em-text); }
.em-req { color: var(--em-red); }
.em-optional { font-weight: 400; color: var(--em-muted); }
.em-form input[type="text"] { width: 100%; padding: 10px 14px; border: 1.5px solid var(--em-border); border-radius: 7px; font-size: 15px; font-family: inherit; transition: var(--em-t); }
.em-form input[type="text"]:focus { border-color: var(--em-green); outline: none; box-shadow: 0 0 0 3px rgba(10,77,47,.1); }

/* Editor */
.em-editor-toolbar { display: flex; align-items: center; gap: 4px; padding: 8px 10px; background: var(--em-bg); border: 1.5px solid var(--em-border); border-bottom: none; border-radius: 7px 7px 0 0; flex-wrap: wrap; }
.em-tb-btn { padding: 5px 10px; border: 1px solid var(--em-border); background: var(--em-white); border-radius: 5px; cursor: pointer; font-size: 13px; transition: var(--em-t); }
.em-tb-btn:hover { background: var(--em-green); color: #fff; border-color: var(--em-green); }
.em-tb-sep { width: 1px; height: 22px; background: var(--em-border); margin: 0 4px; }
.em-word-count { margin-left: auto; font-size: 13px; color: var(--em-muted); }
.em-editor { min-height: 280px; border: 1.5px solid var(--em-border); border-top: none; border-radius: 0 0 7px 7px; padding: 16px; font-size: 15px; line-height: 1.75; color: var(--em-text); outline: none; background: var(--em-white); }
.em-editor:focus { border-color: var(--em-green); box-shadow: 0 0 0 3px rgba(10,77,47,.1); }

/* Buttons */
.em-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px; border-radius: 7px; font-size: 14px; font-weight: 600; font-family: inherit; cursor: pointer; border: 2px solid transparent; text-decoration: none; transition: var(--em-t); }
.em-btn-primary { background: var(--em-green); color: #fff !important; border-color: var(--em-green); }
.em-btn-primary:hover { background: #1a7a4a; }
.em-btn-ghost { background: transparent; border-color: var(--em-border); color: var(--em-text) !important; }
.em-btn-ghost:hover { border-color: var(--em-green); color: var(--em-green) !important; }
.em-btn-outline { background: transparent; border-color: var(--em-green); color: var(--em-green) !important; }
.em-btn-outline:hover { background: #e8f5ee; }
.em-btn-sm { padding: 7px 14px; font-size: 13px; }
.em-submit-row { display: flex; gap: 12px; align-items: center; margin-top: 20px; }
.em-form-message { padding: 12px 16px; border-radius: 7px; margin-top: 14px; font-size: 14px; }

/* ---- My Essays dashboard ---- */
.em-dashboard-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.em-empty { text-align: center; padding: 60px 20px; }
.em-empty-icon { font-size: 56px; margin-bottom: 12px; }
.em-empty h3 { font-size: 22px; margin-bottom: 8px; }
.em-empty p { color: var(--em-muted); }
.em-submissions-list { display: flex; flex-direction: column; gap: 14px; }
.em-sub-card { background: var(--em-white); border: 1px solid var(--em-border); border-radius: var(--em-radius); padding: 20px; }
.em-sub-card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 10px; }
.em-sub-title { font-size: 17px; font-weight: 700; margin: 0 0 3px; }
.em-sub-asgn { font-size: 13px; color: var(--em-muted); margin: 0; }
.em-status-badge { font-size: 12px; font-weight: 700; padding: 4px 11px; border-radius: 20px; white-space: nowrap; }
.em-sub-card-meta { display: flex; gap: 16px; font-size: 13px; color: var(--em-muted); flex-wrap: wrap; margin-bottom: 14px; align-items: center; }
.em-score-pill { font-size: 13px; font-weight: 700; color: #fff; padding: 3px 12px; border-radius: 20px; }
.em-sub-card-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.em-awaiting { font-size: 13px; color: var(--em-muted); font-style: italic; }

/* ---- Results page ---- */
.em-results-header { margin-bottom: 28px; }
.em-back-link { color: var(--em-green); font-size: 14px; font-weight: 600; text-decoration: none; display: inline-block; margin-bottom: 10px; }
.em-results-asgn { font-size: 14px; color: var(--em-muted); margin-top: 6px; }
.em-feedback-block { background: var(--em-white); border: 1px solid var(--em-border); border-radius: var(--em-radius); padding: 28px; margin-bottom: 24px; }
.em-feedback-ai { border-left: 4px solid #7c3aed; }
.em-feedback-teacher { border-left: 4px solid var(--em-green); }
.em-feedback-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.em-feedback-header h3 { font-size: 18px; margin: 0; }
.em-grade-display { display: flex; align-items: center; gap: 10px; }
.em-grade-letter { width: 52px; height: 52px; background: var(--grade-color, #888); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: 900; }
.em-grade-pct { font-size: 20px; font-weight: 700; color: var(--grade-color, #888); }
.em-rubric-scores h4 { font-size: 15px; margin: 0 0 14px; color: var(--em-muted); text-transform: uppercase; letter-spacing: 1px; }
.em-rubric-grid { display: flex; flex-direction: column; gap: 14px; }
.em-rubric-row {}
.em-rubric-info { display: flex; justify-content: space-between; margin-bottom: 6px; }
.em-rubric-name { font-weight: 600; font-size: 14px; }
.em-rubric-score { font-weight: 700; font-size: 14px; }
.em-progress-bar { height: 8px; background: var(--em-bg); border-radius: 4px; overflow: hidden; }
.em-progress-fill { height: 100%; border-radius: 4px; transition: width .5s ease; }
.em-rubric-desc { font-size: 12px; color: var(--em-muted); margin: 4px 0 0; }
.em-feedback-section { margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--em-border); }
.em-feedback-section h4 { font-size: 15px; margin-bottom: 10px; }
.em-feedback-text { font-size: 15px; line-height: 1.7; color: #333; }
.em-strengths-improvements { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--em-border); }
.em-si-card { padding: 16px; border-radius: 8px; }
.em-si-strengths { background: #dcfce7; border: 1px solid #86efac; }
.em-si-improvements { background: #fff7ed; border: 1px solid #fed7aa; }
.em-si-card h4 { font-size: 14px; margin-bottom: 8px; }
.em-si-card p { font-size: 14px; line-height: 1.6; margin: 0; }
.em-inline-list { display: flex; flex-direction: column; gap: 10px; }
.em-inline-item { padding: 12px 14px; border-radius: 7px; border-left: 3px solid; }
.em-ic-comment { background: #eff6ff; border-color: #93c5fd; }
.em-ic-praise   { background: #dcfce7; border-color: #86efac; }
.em-ic-error    { background: #fee2e2; border-color: #fca5a5; }
.em-ic-quote { font-size: 13px; font-style: italic; color: #555; margin-bottom: 5px; }
.em-ic-text { font-size: 14px; margin: 0; }
.em-essay-readonly { background: var(--em-white); border: 1px solid var(--em-border); border-radius: var(--em-radius); padding: 28px; margin-top: 24px; }
.em-essay-content { font-size: 16px; line-height: 1.8; color: #333; }
.em-essay-body h3 { font-size: 18px; margin-bottom: 16px; }

/* ---- Responsive ---- */
@media (max-width: 640px) {
    .em-strengths-improvements { grid-template-columns: 1fr; }
    .em-assignment-grid { grid-template-columns: 1fr; }
    .em-sub-card-head { flex-direction: column; }
    .em-dashboard-header { flex-direction: column; align-items: flex-start; }
    .em-feedback-header { flex-direction: column; align-items: flex-start; gap: 12px; }
}