:root{--color-primary:#1f4e78;--color-secondary:#0f766e;--color-evidence-blue:#d9eaf7;--color-success-green:#dcfce7;--color-warning-yellow:#fef3c7;--color-risk-red:#fee2e2;--color-text:#1f2937;--color-text-muted:#6b7280;--color-surface:#fff;--color-bg:#f7f9fb;--color-border:#e5e7eb;--font-family-base:"Pretendard","Noto Sans KR",-apple-system,BlinkMacSystemFont,sans-serif;--font-title:700 26px/1.3 var(--font-family-base);--font-section-header:700 18px/1.4 var(--font-family-base);--font-body:400 15px/1.6 var(--font-family-base);--font-caption:400 12px/1.5 var(--font-family-base);--radius-card:14px;--shadow-card:0 2px 10px rgba(31,78,120,.08)}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--color-bg);color:var(--color-text);font:var(--font-body);font-family:var(--font-family-base)}a{color:inherit}button{font-family:inherit;cursor:pointer}.kp-container{max-width:480px;margin:0 auto;min-height:100vh;background:var(--color-bg);padding-bottom:40px}.kp-app-header{background:var(--color-primary);color:#fff;padding:20px 20px 24px}.kp-app-header h1{font:var(--font-title);margin:0 0 4px}.kp-app-header p{font:var(--font-caption);opacity:.85;margin:0}.kp-section{padding:20px}.kp-section-title{font:var(--font-section-header);color:var(--color-primary);margin:0 0 12px}.kp-card{background:var(--color-surface);border-radius:var(--radius-card);box-shadow:var(--shadow-card);border:1px solid var(--color-border);padding:16px;margin-bottom:14px}.kp-caption{color:var(--color-text-muted)}.kp-badge,.kp-caption{font:var(--font-caption)}.kp-badge{display:inline-block;padding:2px 8px;border-radius:999px;background:var(--color-evidence-blue);color:var(--color-primary);font-weight:600}.kp-badge-mock{background:var(--color-warning-yellow);color:#92400e}.kp-badge-low{background:var(--color-risk-red);color:#991b1b}.kp-badge-mid{background:var(--color-warning-yellow);color:#92400e}.kp-badge-high{background:var(--color-success-green);color:#166534}.kp-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:10px;padding:12px 16px;font:var(--font-body);font-weight:600;width:100%}.kp-btn-primary{background:var(--color-primary);color:#fff}.kp-btn-secondary{background:var(--color-evidence-blue);color:var(--color-primary)}.kp-btn-ghost{background:transparent;color:var(--color-secondary);border:1px solid var(--color-secondary)}.kp-input{width:100%;padding:12px 14px;border-radius:10px;border:1px solid var(--color-border);font:var(--font-body);margin-bottom:12px}.kp-error-text{color:#b91c1c;font:var(--font-caption);margin:0 0 12px}.kp-empty{text-align:center;color:var(--color-text-muted);padding:40px 20px}.kp-modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.45);display:flex;align-items:flex-end;justify-content:center;z-index:50}.kp-modal-sheet{background:var(--color-surface);width:100%;max-width:480px;border-radius:18px 18px 0 0;padding:20px;max-height:80vh;overflow-y:auto}.kp-student-tile{display:flex;align-items:center;justify-content:space-between;padding:16px;border-radius:var(--radius-card);background:var(--color-surface);border:1px solid var(--color-border);margin-bottom:10px}.kp-loading{text-align:center;padding:60px 20px;color:var(--color-text-muted)}.kp-app-header-row{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.kp-app-header-row .kp-app-header-text{flex:1 1;min-width:0}.kp-btn-header{flex-shrink:0;width:auto;white-space:nowrap;padding:8px 12px;font-size:12px;border-radius:999px;background:#fff;color:var(--color-primary)}.kp-homeai-launch-btn{margin-bottom:14px}.kp-homeai-greeting{display:flex;align-items:center;gap:14px}.kp-homeai-owl{font-size:40px;line-height:1}.kp-homeai-greeting-text{margin:0}.kp-homeai-menu-item{display:flex;flex-direction:column;align-items:flex-start;gap:4px;width:100%;text-align:left;background:var(--color-surface)}.kp-homeai-menu-label{font-weight:700;color:var(--color-primary)}.kp-homeai-chat-log{display:flex;flex-direction:column;gap:8px;margin-bottom:14px}.kp-homeai-bubble{max-width:85%;padding:10px 14px;border-radius:14px;font:var(--font-body)}.kp-homeai-bubble-user{align-self:flex-end;background:var(--color-primary);color:#fff;border-bottom-right-radius:4px}.kp-homeai-bubble-ai{align-self:flex-start;background:var(--color-surface);border:1px solid var(--color-border);border-bottom-left-radius:4px}.kp-homeai-chat-input-row{display:flex;gap:8px;align-items:center}.kp-homeai-chat-input-row .kp-input{flex:1 1}.kp-homeai-chat-input-row .kp-btn{width:auto;flex-shrink:0}