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28px;border-radius:12px;font-weight:600;margin-top:32px;width:100%}.btn-submit-report{background:linear-gradient(135deg,var(--color-success-500),var(--color-success-600));color:#fff;padding:16px 36px;border-radius:14px;font-size:1.1em;font-weight:700;cursor:pointer;transition:all var(--transition-base);box-shadow:var(--shadow-lg)}.btn-submit-report:hover{background:linear-gradient(135deg,var(--color-success-600),#059669);transform:translateY(-3px);box-shadow:var(--shadow-xl)}#submission-message{padding:16px 20px;border-radius:12px;margin:16px 0;font-weight:600;text-align:center;border:2px solid}.message-success{background:linear-gradient(135deg,var(--color-success-50),var(--color-success-100));color:#15803d;border-color:var(--color-success-500)}.message-error{background:linear-gradient(135deg,#fee2e2,#fecaca);color:#b91c1c;border-color:#f87171}.btn-view-submissions{background:linear-gradient(135deg,var(--color-primary-500),var(--color-primary-600));color:#fff;padding:12px 24px;border-radius:10px;font-weight:600}.modal{position:fixed;inset:0;background-color:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;justify-content:center;align-items:center;z-index:1000;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-content{background:#fff;border-radius:20px;width:90%;max-width:800px;max-height:80vh;display:flex;flex-direction:column;box-shadow:var(--shadow-2xl);animation:fadeInUp .3s ease-out}.modal-header{padding:24px;border-bottom:2px solid var(--color-gray-100);display:flex;justify-content:space-between;align-items:center}.modal-header h2{margin:0;font-size:1.5em;color:var(--color-gray-800)}.modal-close-btn{background:none;border:none;font-size:1.8em;cursor:pointer;color:var(--color-gray-500);transition:all var(--transition-base);padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px}.modal-close-btn:hover{color:var(--color-gray-800);background:var(--color-gray-100)}.modal-body{padding:24px;overflow-y:auto;flex:1}.modal-footer{padding:16px 24px;border-top:1px solid var(--color-gray-100);display:flex;justify-content:flex-end;gap:12px}.btn-close-modal{background:linear-gradient(135deg,var(--color-gray-400),var(--color-gray-500));color:#fff;padding:10px 20px;border-radius:10px}#snackbar,.snackbar{visibility:hidden;min-width:300px;max-width:500px;background-color:var(--color-gray-800);color:#fff;text-align:left;border-radius:12px;padding:14px 20px;position:fixed;z-index:10000;left:50%;bottom:80px;transform:translate(-50%);font-size:13px;line-height:1.5;box-shadow:var(--shadow-2xl)}#snackbar.show,.snackbar.show{visibility:visible;animation:snackbarFadeIn .3s,snackbarFadeOut .3s 4.7s}#snackbar.success,.snackbar.success{background:linear-gradient(135deg,var(--color-success-600),#059669)}#snackbar.error,.snackbar.error{background:linear-gradient(135deg,var(--color-danger-600),#b91c1c)}#snackbar.info,.snackbar.info{background:linear-gradient(135deg,var(--color-primary-600),var(--color-primary-700))}.snackbar-title{font-weight:700;margin-bottom:6px;font-size:14px}.snackbar-content{font-size:12px;opacity:.95}.snackbar-list{margin:6px 0 0;padding-left:18px}.snackbar-list li{margin:3px 0;line-height:1.4}@keyframes snackbarFadeIn{0%{bottom:0;opacity:0}to{bottom:80px;opacity:1}}@keyframes snackbarFadeOut{0%{bottom:80px;opacity:1}to{bottom:0;opacity:0}}.form-group{margin-bottom:20px;text-align:left}.form-group label{display:block;margin-bottom:8px;color:var(--color-gray-800);font-weight:600;font-size:.95em}.form-message{padding:14px 18px;border-radius:12px;margin-bottom:16px;display:none;font-weight:600;text-align:center;border:2px solid}.form-message.show{display:block}.form-message.error{background:linear-gradient(135deg,#fee2e2,#fecaca);color:#b91c1c;border-color:#f87171}.form-message.success{background:linear-gradient(135deg,var(--color-success-50),var(--color-success-100));color:#15803d;border-color:var(--color-success-500)}.form-message.info{background:linear-gradient(135deg,var(--color-primary-50),var(--color-primary-100));color:var(--color-primary-700);border-color:var(--color-primary-500)}.counsel-list-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:20px}.empty-counsel-message{text-align:center;color:var(--color-gray-500);padding:64px 20px;line-height:1.8;font-size:1.1em;grid-column:1 / -1}.counsel-card{padding:26px;border:2px solid var(--color-gray-200);border-radius:16px;cursor:pointer;transition:all var(--transition-base);background-color:#fff;box-shadow:var(--shadow)}.counsel-card:hover{border-color:var(--color-primary-400);background:linear-gradient(135deg,#f0f9ff,#e0f2fe);transform:translateY(-4px);box-shadow:var(--shadow-xl)}.stat-boxes-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:16px;margin-bottom:32px}.stat-box{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:24px;border-radius:16px;text-align:center;box-shadow:var(--shadow-md);transition:all var(--transition-base)}.stat-box:hover{transform:translateY(-4px);box-shadow:var(--shadow-xl)}.stat-box-value{font-size:2.5em;font-weight:700;margin-bottom:8px}.stat-box-label{font-size:.95em;opacity:.95}.badge-section-title{font-size:1.6em;font-weight:700;color:var(--color-gray-800);margin:32px 0 20px;padding-bottom:12px;border-bottom:3px solid #f093fb}.badge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(90px,1fr));gap:16px;margin-bottom:32px}.badge-item{text-align:center;padding:12px;border-radius:12px;background-color:var(--color-gray-50);transition:all var(--transition-base)}.badge-item:hover{background-color:var(--color-gray-100);transform:scale(1.05)}.badge-item img{width:64px;height:64px;border-radius:50%;object-fit:cover;border:3px solid #667eea;margin-bottom:8px;box-shadow:var(--shadow);margin-left:auto;margin-right:auto;display:block}.badge-item-name{font-size:.85em;color:var(--color-gray-800);font-weight:500;word-wrap:break-word;line-height:1.3}@media(max-width:768px){.auth-wrapper{flex-direction:column;align-items:center}.auth-container{padding:32px 24px;width:100%;max-width:420px;min-width:auto}.auth-logo{font-size:2em}.stat-boxes-container{grid-template-columns:1fr}.badge-grid{grid-template-columns:repeat(3,1fr)}.student-page .student-input-group{flex-direction:column}.student-page .student-input-group button{width:100%}#report-area{padding:24px}h1{font-size:2em}.counsel-list-container{grid-template-columns:1fr}.dynamic-column-layout{flex-direction:column}}@media(max-width:480px){.auth-container{padding:24px 20px}.auth-logo{font-size:1.8em}.auth-option-title{font-size:1.2em}.stat-box-value{font-size:2em}.badge-grid{grid-template-columns:repeat(3,1fr);gap:12px}.badge-item img{width:52px;height:52px}}body:has(.submissions-page){max-width:none;padding:0;margin:0}.submissions-page{position:relative;display:flex;height:100vh;background:linear-gradient(135deg,#667eea,#764ba2);margin-left:224px;width:calc(100% - 224px);padding:0}.submissions-list-panel{width:20%;min-width:280px;background:#fffffff7;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-right:2px solid rgba(102,126,234,.15);overflow-y:auto;padding:28px 24px;box-shadow:4px 0 24px #00000014}.submissions-detail-panel{width:80%;overflow-y:auto;padding:40px;background:#fff}.submissions-list-title{font-size:1.6em;font-weight:700;margin-bottom:24px;display:flex;justify-content:space-between;align-items:center;color:var(--color-gray-800);padding-bottom:16px;border-bottom:2px solid var(--color-gray-200)}.submissions-list-title>span{font-size:1em}.title-actions{display:flex;align-items:center;gap:10px}.icon-button{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border:2px solid #bae6fd;font-size:1.3em;cursor:pointer;padding:10px 14px;border-radius:12px;transition:all var(--transition-base);box-shadow:var(--shadow-sm)}.icon-button:hover{background:linear-gradient(135deg,#dbeafe,#bfdbfe);border-color:var(--color-primary-500);transform:translateY(-3px);box-shadow:var(--shadow-md)}.icon-button.active{background:linear-gradient(135deg,var(--color-primary-500),var(--color-primary-600));color:#fff;border-color:var(--color-primary-600);box-shadow:var(--shadow-lg)}.submission-item{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);padding:16px 18px;margin-bottom:14px;border-radius:14px;cursor:pointer;border:2px solid #bae6fd;transition:all var(--transition-base);box-shadow:var(--shadow-sm)}.submission-item:hover{background:linear-gradient(135deg,#dbeafe,#bfdbfe);border-color:var(--color-primary-500);transform:translate(6px);box-shadow:var(--shadow-md)}.submission-item.active{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-color:#667eea;box-shadow:var(--shadow-lg)}.submission-item-name{font-weight:700;font-size:1.1em;margin-bottom:6px}.submission-item-code{font-size:.88em;opacity:.85}.submission-item-checkbox{display:none;margin-right:10px;width:18px;height:18px;cursor:pointer}.submission-item.selection-mode{cursor:pointer;display:flex;align-items:center}.submission-item.selection-mode .submission-item-checkbox{display:inline-block}.submission-item-content{flex:1}.back-button{position:fixed;top:24px;left:0;width:200px;padding:14px 28px;background:linear-gradient(135deg,#fffffff2,#ffffffd9);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:#667eea;border:2px solid rgba(102,126,234,.3);border-left:none;border-radius:0 12px 12px 0;cursor:pointer;font-size:1em;font-weight:700;transition:all var(--transition-base);box-shadow:4px 4px 12px #00000026;z-index:1000;box-sizing:border-box}.back-button:hover{background:linear-gradient(135deg,#fff,#f0f9ff);border-color:#667eea;color:#764ba2;transform:translate(6px);box-shadow:6px 6px 16px #0003}.empty-message{text-align:center;padding:40px 24px;color:var(--color-gray-500);font-size:1.05em;line-height:1.7;background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border-radius:16px;border:2px dashed #bae6fd;margin:20px 0}.submissions-list{min-height:200px;background:transparent;border-radius:0;padding:0;border:none;box-shadow:none}.submissions-list:empty:after{content:"📭 아직 제출한 학생이 없습니다.";display:block;text-align:center;padding:60px 24px;color:var(--color-gray-400);font-size:1.05em;background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border-radius:12px;border:2px dashed #bae6fd;margin:0}.report-container{background:#fff}@media(max-width:1024px){.submissions-list-panel{width:30%;min-width:280px}.submissions-detail-panel{width:70%}}@media(max-width:768px){.submissions-page{flex-direction:column;margin-left:0;width:100%}.submissions-list-panel{width:100%;height:40vh;border-right:none;border-bottom:2px solid rgba(102,126,234,.15);padding-top:80px}.submissions-detail-panel{width:100%;height:60vh}.back-button{top:12px;padding:10px 18px;font-size:.9em;width:160px}}@media print{body{padding:0;margin:0;font-size:8.5pt}body>h1:first-of-type,#input-area,.button-group,.print-download-group,.student-input-area,.student-logout-btn,.back-button{display:none}.submissions-page{display:block;background:#fff}.submissions-list-panel{display:none}.submissions-detail-panel{width:100%;padding:0}#report-area,#student-report-area{box-shadow:none;padding:2mm 4mm;margin:0;border-radius:0;background-color:#fff}.usage-section,.asset-section-container,.summary-section{margin-bottom:3mm;padding:2mm;page-break-inside:avoid}.dynamic-column-layout{gap:2mm}.pie-chart{width:70px;height:70px;-webkit-print-color-adjust:exact;print-color-adjust:exact}.stat-box{background:#fff!important;color:var(--color-gray-800)!important;border:2px solid #667eea!important;padding:12px!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}.badge-item img{width:48px;height:48px}}