.dark-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.8);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:10000;animation:fadeIn .2s ease-out;padding:20px}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.dark-modal{width:100%;max-width:900px;max-height:95vh;background:linear-gradient(135deg,#1f2937,#111827);border-radius:16px;border:1px solid #374151;box-shadow:0 20px 40px rgba(0,0,0,.4);overflow:hidden;animation:slideIn .3s ease-out;display:flex;flex-direction:column}@keyframes slideIn{0%{opacity:0;transform:translateY(30px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}.dark-modal-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:#374151;border-bottom:1px solid #4b5563;flex-shrink:0}.dark-teacher-info{display:flex;align-items:center;gap:12px}.dark-teacher-avatar{width:40px;height:40px;background:linear-gradient(135deg,#3b82f6,#8b5cf6);border-radius:10px;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:16px;color:white;flex-shrink:0}.dark-teacher-details h2{margin:0 0 2px;font-size:18px;font-weight:700;color:#f8fafc}.dark-teacher-details p{margin:0;font-size:12px;color:#9ca3af}.dark-close-btn{width:32px;height:32px;background:#4b5563;border:none;border-radius:8px;color:#9ca3af;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:20px;transition:all .2s ease}.dark-close-btn:hover{background:#ef4444;color:white}.dark-modal-body{flex:1 1;padding:16px 20px;overflow-y:auto;min-height:0}.dark-warning{display:flex;align-items:center;gap:8px;padding:12px;background:rgba(245,158,11,.1);border:1px solid rgba(245,158,11,.3);border-radius:8px;margin-bottom:16px;font-size:14px}.dark-warning-icon{font-size:16px}.dark-warning-content strong{color:#f59e0b;font-weight:600}.dark-warning-content p{margin:0;color:#d97706}.dark-review-form{display:flex;flex-direction:column;gap:16px}.dark-ratings-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:12px;gap:12px}.dark-rating-section{background:rgba(31,41,55,.5);border:1px solid #374151;border-radius:12px;padding:12px;transition:all .2s ease}.dark-rating-section:hover{border-color:#4b5563;background:rgba(31,41,55,.7)}.dark-section-header{display:flex;align-items:center;gap:6px;margin-bottom:8px}.dark-section-icon{font-size:14px}.dark-section-header h3{margin:0;font-size:14px;font-weight:600;color:#f8fafc}.dark-rating-options{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:4px;gap:4px}.dark-rating-option{display:flex;flex-direction:column;align-items:center;padding:6px 4px;background:#1f2937;border:1px solid #374151;border-radius:8px;cursor:pointer;transition:all .2s ease;text-align:center;min-height:50px;justify-content:center}.dark-rating-option input[type=radio]{display:none}.dark-rating-option:hover{transform:translateY(-1px);border-color:#6b7280;background:#374151}.dark-rating-option.selected{transform:translateY(-1px);background:rgba(31,41,55,.8)}.dark-option-emoji{font-size:16px;margin-bottom:2px}.dark-option-label{font-size:10px;font-weight:500;color:#e5e7eb}.dark-rating-option.selected .dark-option-label{color:inherit}.dark-error-message{margin-top:4px;padding:6px 8px;background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.3);border-radius:6px;color:#fca5a5;font-size:11px;text-align:center}.dark-bottom-section{display:flex;gap:12px;align-items:flex-start}.dark-comment-section{flex:2 1;background:rgba(31,41,55,.5);border:1px solid #374151;border-radius:12px;padding:12px}.dark-optional{font-weight:400;color:#9ca3af;font-size:12px}.dark-comment-textarea{width:100%;padding:8px;background:#111827;border:1px solid #374151;border-radius:8px;font-size:13px;color:#f8fafc;resize:vertical;min-height:60px;max-height:80px;transition:all .2s ease;font-family:inherit;margin-top:8px}.dark-comment-textarea:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 2px rgba(59,130,246,.2)}.dark-comment-textarea::placeholder{color:#6b7280;font-size:12px}.dark-character-count{margin-top:4px;text-align:right;font-size:11px;color:#9ca3af}.dark-privacy-section{flex:1 1;background:rgba(31,41,55,.5);border:1px solid #374151;border-radius:12px;padding:12px;display:flex;align-items:center;justify-content:center}.dark-privacy-option{display:flex;align-items:center;gap:8px;cursor:pointer;transition:all .2s ease;padding:8px;border-radius:8px}.dark-privacy-option:hover{background:rgba(59,130,246,.1)}.dark-privacy-option input[type=checkbox]{display:none}.dark-checkmark{width:16px;height:16px;background:#374151;border:1px solid #4b5563;border-radius:4px;transition:all .2s ease;position:relative;flex-shrink:0}.dark-privacy-option input[type=checkbox]:checked+.dark-checkmark{background:#3b82f6;border-color:#3b82f6}.dark-privacy-option input[type=checkbox]:checked+.dark-checkmark:after{content:"✓";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:white;font-weight:700;font-size:10px}.dark-privacy-text{font-size:13px;font-weight:500;color:#e5e7eb}.dark-form-actions{display:flex;gap:8px;margin-top:8px}.dark-cancel-btn,.dark-submit-btn{flex:1 1;padding:10px 16px;border:none;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:6px;min-height:36px}.dark-cancel-btn{background:#374151;color:#d1d5db;border:1px solid #4b5563}.dark-cancel-btn:hover{background:#4b5563;border-color:#6b7280}.dark-submit-btn{background:linear-gradient(135deg,#3b82f6,#8b5cf6);color:white;border:1px solid transparent}.dark-submit-btn:hover:not(.disabled){background:linear-gradient(135deg,#2563eb,#7c3aed);transform:translateY(-1px);box-shadow:0 4px 12px rgba(59,130,246,.3)}.dark-submit-btn.disabled{background:#4b5563;color:#9ca3af;cursor:not-allowed}.dark-loading-spinner{width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:white;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}@media (max-width:768px){.dark-modal{max-width:95vw;max-height:90vh}.dark-ratings-grid{grid-template-columns:1fr;gap:8px}.dark-rating-options{grid-template-columns:repeat(4,1fr)}.dark-bottom-section{flex-direction:column;gap:8px}}@media (max-width:480px){.dark-modal-overlay{padding:10px}.dark-modal{max-height:95vh}.dark-modal-body,.dark-modal-header{padding:12px}.dark-rating-options{grid-template-columns:repeat(2,1fr)}.dark-form-actions{flex-direction:column}}.dark-cancel-btn:focus-visible,.dark-close-btn:focus-visible,.dark-rating-option:focus-within,.dark-submit-btn:focus-visible{outline:2px solid #3b82f6;outline-offset:1px}